DEV Community: Daniel Williams

CMC vs. VMC: What’s the Difference and Why Does Your Brand Need Both?

Daniel Williams — Mon, 02 Jun 2025 11:03:34 +0000

In today’s digital-first world, your email inbox isn’t just a communication channel—it’s a branding battleground. With phishing attacks on the rise and inboxes becoming increasingly crowded, brands are looking for new ways to build trust, stand out, and safeguard their identity.

That’s where Verified Mark Certificates (VMC) and Common Mark Certificates (CMC) come in. These two powerful tools are part of the Brand Indicators for Message Identification (BIMI) ecosystem and are changing the way brands present themselves in the inbox.

But what exactly are VMC and CMC? How are they different? And why does your brand need both? Let’s break it down.

If you want details so read this blog:- CMC vs. VMC: Which Email Certificate Does Your Brand Need?

What Is a Verified Mark Certificate (VMC)?

A Verified Mark Certificate (VMC) is a digital certificate that allows organizations to display their official brand logo alongside their email messages in supported inboxes like Gmail and Apple Mail. It serves as proof of the sender's identity and is issued by trusted Certificate Authorities (CAs) such as DigiCert or Entrust.
To be eligible for a VMC, your domain must also have proper DMARC enforcement (Domain-based Message Authentication, Reporting, and Conformance). This ensures that your emails are authenticated and helps protect against spoofing and phishing attacks.

What Is a Common Mark Certificate (CMC)?

A Common Mark Certificate (CMC) is a digital certificate that validates the ownership of your brand’s logo, verifying that it is a registered trademark. CMCs are issued by Mark Verifying Authorities (MVAs), such as those operated by certificate providers like Entrust or DigiCert.
While the VMC verifies your brand identity for email purposes, the CMC verifies the authenticity of the logo itself, ensuring it’s legally registered and not subject to misuse.

Why Does Your Brand Need Both CMC and VMC?

To activate BIMI (Brand Indicators for Message Identification), you need both components:

A VMC to verify your domain and organization.
A CMC to validate that your logo is a registered and protected trademark.
This dual-layer approach provides:
Security: Prevents spoofing and phishing by verifying the sender and their brand assets.
Brand Trust: A verified logo builds immediate recognition and credibility with recipients.
Visual Impact: Your logo stands out in the inbox, increasing engagement.

The Business Benefits of CMC and VMC

Improved Email Open Rates:- A recognizable logo in the inbox increases trust and visibility, leading to higher open rates.
Brand Protection:- Your verified trademark (CMC) and domain (VMC) reduce the risk of impersonation and phishing attacks.
Customer Trust:- Seeing a verified logo signals to users that your brand is legitimate and secure.
Compliance and Reputation:- Aligns your email practices with industry standards like SPF, DKIM, and DMARC—enhancing your overall sender reputation.
Competitive Edge:- Not many brands are using BIMI yet. Getting ahead of the curve gives you a marketing and security advantage.

How to Get a CMC and VMC

Here’s a simplified process to help your brand get started:
Step 1: Register Your Logo as a Trademark
Your logo must be registered with a recognized trademark office (e.g., USPTO, EUIPO) to qualify for a CMC.
Step 2: Apply for a Common Mark Certificate (CMC)
Choose a provider like Entrust or DigiCert that offers CMCs as part of the BIMI process.
Step 3: Ensure DMARC Enforcement
Configure your domain’s DNS settings to meet DMARC enforcement standards (quarantine or reject).
Step 4: Apply for a Verified Mark Certificate (VMC)
Once DMARC is in place and your CMC is approved, you can apply for a VMC from a trusted Certificate Authority.
Step 5: Publish BIMI Record in DNS
Add the necessary BIMI record (including your logo URL) to your domain’s DNS so email clients can fetch and display it.

Conclusion

In an era where trust, visibility, and security are vital, CMC and VMC certificates offer a powerful way to protect your brand and boost your email performance.

The CMC confirms that your logo is legitimately yours.
The VMC lets inboxes know your emails are legitimately from you.

Together, they enable your logo to shine in email clients while shielding your brand from threats.

If your brand relies on email to engage customers, then investing in both CMC and VMC is a smart move toward greater authenticity, protection, and performance.

Wildcard SSL for Multi-Level Subdomains to Secure Complex Domains

Daniel Williams — Tue, 27 May 2025 11:12:56 +0000

Why Multi-Level Subdomains Require More Than a Standard Wildcard?

When your web architecture includes deeply nested subdomains – be it for regional sites, user portals, or SaaS instances, securing them becomes a challenge. The common assumption that a single Wildcard SSL can handle multi-level subdomains often leads to misconfigurations, security gaps, or unnecessary spending.

If you’re managing multiple subdomain layers across departments, regions, or client-facing platforms, this guide will help you choose the right SSL structure. We’ll break down how Wildcard SSL works in multi-level subdomain environments, where its limitations begin, and how Multi-Domain Wildcard SSL certificates offer a smarter alternative for complex setups.

Understanding Wildcard SSL in a Multi-Level Domain Strategy

Wildcard SSL certificates are designed to secure all first-level subdomains under a single domain. Let’s say you’re running dev.yourdomain.com, test.yourdomain.com, and admin. yourdomain.com, a single Wildcard SSL for *.yourdomain.com will cover all of them. This makes it ideal for straightforward setups with flat subdomain structures.

But when your domain structure includes nested subdomains, like internal.dev.yourdomain.com or monitoring.eu.admin.yourdomain.com – Wildcard SSL begins to show its limitations. That same certificate for .yourdomain.com won’t extend to *.dev.yourdomain.com or *.eu.admin.yourdomain.com, because those reside at a deeper level. In other words, the asterisk () in a Wildcard SSL can only replace one subdomain level, not multiple.

This becomes a problem for businesses with complex infrastructures:

SaaS platforms creating client-specific environments (e.g., client1.eu.app.company.com)
E-commerce businesses operating regional storefronts (e.g., shop.uk.store.example.com)
Organizations managing internal tools or departments across multiple geographies
In these cases, relying on a single Wildcard SSL can result in partial coverage, security blind spots, or the need to juggle multiple certificates manually.

Subdomain Structures for SSL Coverage

A subdomain is an added prefix to the domain name for organizing and directing different sections of the website. For example, in dev.yourdomain.com, “dev” is the subdomain and “yourdomain.com” is the primary domain.

Subdomains are typically categorized, depending on their hierarchy, such as:

Single-Level Subdomains

These sub-domains are seen in general and used on most websites. Here, sub-domains are directly under the primary domain like dev.yourdomain.com.

Multiple-Level Subdomains

These are more advanced and often used in big organizations and websites with complex structures. These include an additional level of sub-domain and then a primary domain – for example, internal.dev.yourdomain.com or monitoring.eu.admin.yourdomain.com, where subdomains are stacked across two or more levels.

A standard Wildcard SSL issued for *.yourdomain.com will not cover these nested subdomains. That’s why businesses with layered domain environments often consider more advanced solutions like a Multi-Domain Wildcard SSL, or a combination of SAN and Wildcard certificates for comprehensive coverage.

If you want to learn how Wildcard SSL secures multi-level subdomains to Secure Complex Domains. Read the article here

Free vs Paid SSL Certificates: What's the Difference?

Daniel Williams — Fri, 09 May 2025 09:06:07 +0000

Security and trust are both essential in the modern digital age. Using an SSL certificate to secure your website is essential, whatever the if you manage a large eCommerce platform or a personal blog. However, how do you choose the best option when there are so many available, both free and paid? To assist you in making an informed choice, we'll outline the main differences between free and premium SSL certificates in this article.

What is an SSL Certificate?

Digital certificate called as an SSL certificate allows a web server and a browser to communicate securely. It guarantees that any information exchanged between the two stays confidential and safe from malicious actors.

The padlock icon in the address bar and the "https://" prefix before the domain name are indicators that a website is using SSL. SSL certificates are useful:

To protect the sensitive information (passwords, login credential)
To build the customer trust
You have to improve the SEO rankings (Google gives preference to HTTPS websites)

Free SSL Certificates: An Overview

The usage of free SSL certificates has increased as a result of activities like Let's Encrypt and Cloudflare. Small startups, bloggers, developers, and individual website owners frequently uses ssl certificates.

Features of Free SSL Certificates:

Only Domain Validation (DV) certificate: To verify you own the domain, but doesn’t validate your business identity
Automated Renewal and Issuance: A large number of free SSLs are simple to set up and automatically renew.
Short validation Period: To usually needs to be renewed after 90 days.
Community Support: Forums and documentation are frequently the only sources of assistance.

When to Use Free SSL:

Uses in personal blogs or portfolios
Test or staging environments
Small websites with limited user interaction

Paid SSL Certificates: An Overview

Paid SSL are offered by Certificate Authorities like DigiCert, Sectigo, GlobalSign, and GoDaddy. These certificates offer greater levels of validation and trust, going beyond simple encryption.

Also Read:- Which SSL Certificate is Best for Recruiting Websites?

Types of Paid SSL Certificates:

Domain Validated (DV): Simple encryption that confirms domain ownership.
Organization Validated (OV): To use business verification to increase confidence.
Extended Validation (EV): To show your company name in the browser and provide the highest level of validation.

If you need more information about types of paid SSL so read this article:- What Types of SSL Certificates are Good for Website Security?

Key Features of Paid SSL Certificates:

Extended Validation: Adds an extra layer of legitimacy for businesses and users.
Warranty & Insurance: To provide financial safety in the event that a certificate is compromised.
Customer Support: 24/7 technical support and dedicated service.
Trust Seals & Branding: To boost client confidence, some providers offer a trust seal that you can post on your website.

Also Read:- Where I Can Get a SSL Certificate Coupon Code for E-commerce

When to Use Paid SSL:

eCommerce website that takes payments online
Websites for finance, law, or healthcare
Websites that require logins or store user data
Medium-sized to large companies seeking to increase their credibility

What is the Key Differences: Free vs Paid SSL Certificates

1. Cost:

Free SSL certificates are offered for free and are usually provided by nonprofits such as Let's Encrypt. But in paid SSL certificates come with a cost, though, a one-time fee to an annual subscription, depending on the provider and level of validation.

2. Validation Level:

Free SSL certificates only provide Domain Validation (DV), which verifies domain ownership but not the organization's identity. But higher levels of trust and identity verification are provided by paid SSL certificates that offer DV, OV, or EV.

3. Certificate Authority (CA):

Non-commercial CAs like Let's Encrypt or ZeroSSL generally issue free SSLs. Well-known commercial authorities like DigiCert, SSL2BUY, Sectigo, or GlobalSign issue paid certificates, which frequently have more features and wider recognition.

4. Customer Support:

Free SSL certificates have limited to no customer service, instead of users must rely on documentation or discussion boards. In the case of installation problems or certificate errors, paid certificates typically include committed technical support and customer service.

5. Warranty:

There is no warranty included with free SSL certificates. In paid SSL include warranties that pay for monetary losses resulting from CA errors or certificate misuse, these losses can be anywhere from thousands to millions of dollars.

6. Trust Indicators:

HTTPS and the padlock icon in the browser are features of both free and paid SSL. To increase user trust, paid OV and EV certificates can additionally include the organization's name in the certificate details.

7. Validity Period:

Free SSL certificates are mostly valid for 90 days but paid SSLs can be valid for up to one year.

8. Automation:

It is simple to issue and renew free certificates, especially from Let's Encrypt, which support complete automation with tools like Certbot. But in paid may require more manual steps for installation and renewal and it depends on the CA and hosting.

9. Use Case Suitability:

Free SSL are best for personal websites, blogs, or small non-commercial projects but in paid SSL are more suitable for business websites, e-commerce platforms, and organizations needing higher levels of trust, validation, and liability protection.

Also Read:- How to Renew SSL Certificate?

Pros and Cons of Free and Paid SSL Certificates:

Pros:

Zero cost
Easy setup via hosting panels or tools like Certbot
Suitable for small or temporary sites

Cons:

Limitation of DV (no business identity)
No support if something goes wrong
Requires more frequent renewals
No warranty or insurance

Pros:

Multiple validation levels (DV, OV, EV)
Stronger user trust and conversion rates
Warranty protects against mis-issuance
Dedicated support and faster resolution of issues

Cons:

Cost
May be overkill for small sites with minimal traffic

Conclusion

The most crucial thing is to have an SSL certificate, regardless of whether you opt for a free or paid one. In addition to endangering user data, an unprotected website hurts your reputation and search engine optimization.

For low-risk and personal projects, free SSLs are an excellent place to start. However, a paid SSL certificate is worth the investment for serious businesses, particularly those handling sensitive data or transactions.

CRLs Explained: Why Is It Important in PKI?

Daniel Williams — Mon, 05 May 2025 10:50:01 +0000

In online marketing, trust is everything, and Public Key Infrastructure (PKI) is what helps build it. However, what occurs if a digital certificate is compromised? A Certificate Revocation List (CRL) becomes essential in this situation. Hackers can use invalid certificates to steal data, impersonate brands, and loss consumer trust if they are not properly revoked. However, a lot of users fail to consider this silent risk when planning their cybersecurity strategy. In this article, we explain what is a CRL and why PKI is important, and how it protects your online brand and online campaigns securely and validly.

For more detailed information, you can refer article: Certificate Revocation List

What Is a Certificate Revocation List (CRL)?

Certificate Revocation List is a Public Key Infrastructure security feature. It helps to verify the dependability of digital certificates throughout their lifetime. CRL is basically a list of certificates that have been revoked prior to their scheduled expiration date because of compromise, misuse, or ownership changes. It is issued and digitally signed by a Certificate Authority (CA).

CRLs are essential for marketing professionals who use code-signing certificates, secure emails, or SSL certificates in campaigns or platforms. Users might unintentionally interact with compromised assets when a certificate on your website or application is revoked, but it is not recognized as such. This could lead to phishing, fraud, or data breaches.

Every CRL includes:

Serial numbers of revoked certificates
Revocation timestamps
CA’s digital signature, verifying authenticity

Why Certificates Are Revoked

They are not perfect, but digital certificates are used to secure communication and confirm identity. A certificate may lose its authority even after it has been issued, in which case it needs to be revoked right away to avoid misuse. Marketers in control of email campaigns, e-commerce platforms, or secure websites can find vulnerabilities in their trust infrastructure by knowing why a certificate is revoked.

1. Private Key Compromise

The private key linked to a certificate can be used to impersonate your website or email domain if it is stolen or made public—for example, by malware, phishing, or server breaches.

2. CA Compromise

A Certificate Authority itself may be compromised in uncommon but essential situations. In order to maintain ecosystem-wide security, all certificates issued by that CA must be revoked if this occurs because they may be unreliable.

3. Misuse or Policy Violations

If certificates are used in ways that aren't allowed by their original purpose, such as being installed on servers that are not authorized or shared across platforms, or if they are used in against internal security policies or CA terms, they may be revoked.

4. Ownership or Role Changes

It is necessary to revoke related certificates when an employee departs the organization or when an internal system is decommissioned. Maintaining your trust in them puts you at needless risk in terms of security and compliance.

Failure to revoke compromised or outdated certificates not only jeopardizes data security for digital marketers, but it also damages brand credibility, lowers SEO rankings, and may even result in browser security warnings that deter users.

How CRLs Work Within a PKI System

The purpose of a Certificate Revocation List (CRL) in the context of Public Key Infrastructure (PKI) is to assist in confirming that a digital certificate is still reliable and valid at the moment of use. To guarantee safe and smooth user experiences, marketers using SSL/TLS-reliant marketing automation tools, customer portals, or secure websites must comprehend this procedure.

Step-by-Step: How CRLs Are Used

CRL Issuance by the CA

Every so often, a digitally signed Certificate Authority (CA) releases a CRL that lists all of the certificates it has revoked since the last update. These lists are kept on internal or public servers that can be accessed through protocols like LDAP and HTTP.

CRL Distribution Point in the Certificate

The CRL Distribution Point (CDP) is a field obtained in every digital certificate. This instructs client apps (such as email clients and browsers) on where to get the most recent CRL and check the status of the certificate.

Client Validation Process

A user's device verifies the validity of the certificate you're using when they visit your website or open a secure email:

The CRL is obtained from the designated CDP.
It looks for your certificate's serial number on the CRL.
The certificate is marked as revoked and access is either prohibited or cautioned against if the serial number is visible.

Decision and Trust

The connection is made if the certificate is not on the CRL. If it is, the client views the certificate as unreliable, which may lead to failed connections, blocked emails, or security warnings in the browser.

Why CRLs Are Critical for Maintaining Trust in Digital Certificates

Trust is a competitive advantage in a business world that prioritizes digital. Customers expect encrypted, authenticated experiences from marketing emails, secure landing pages, and customer logins. That expectation is partially met by digital certificates, but only if they are still in effect. The Public Key Infrastructure (PKI) as a whole is undermined when a certificate is compromised or misused and it is not revoked or checked for revocation.

For more information so refer to this article Public Key Infrastructure (PKI)

This is where Certificate Revocation Lists (CRLs) prove indispensable.

Protecting Against Online Fraud

If a certificate's private key is compromised and not promptly revoked, an attacker may:

Fake your brand on the internet
Redirect traffic to malicious sites
Steal client information
Intercept safe transactions

Maintaining Customer Trust and Brand Integrity

Undiscovered revoked certificates can result in API failures, email delivery problems, or browser warnings, all of which damage confidence. Trust is difficult to gain and quickly lost in digital marketing. Consumers are unlikely to interact with an email that raises a phishing alert or a website marked as "Not Secure." By allowing systems to automatically recognize and reject revoked certificates, CRLs aid in preventing these interruptions.

Regulatory Expectations and Compliance

Appropriate revocation management is not only a best practice but frequently a legal necessity for sectors that handle financial or personal data. Organizations are expected to manage certificate lifecycles responsibly by standards such as PCI DSS, HIPAA, and GDPR. CRLs offer an auditable way to prove that compromised certificates have been deactivated.

Limitations of CRLs and Associated Challenges

Certificate Revocation Lists is the foundation of PKI-based trust, they have some drawbacks. Marketing experts who rely on secure digital experiences, like websites, email campaigns, or customer portals, must comprehend these limitations and their real-world implications.

Scalability and File Size
Update Frequency and Revocation Delays
Availability and Accessibility Issues
Limited Support Across Systems
User Experience Risks

Best Practices for Effective Use of CRLs

To maintain a secure and trustworthy online presence, marketing teams have to strategically handle Certificate Revocation Lists in collaboration with IT and security teams. The effectiveness of CRLs relies on how they are configured and maintained, even though they help you keep your digital certificates credible.

Use these essential best practices to make sure CRLs perform at their peak in your company or marketing ecosystem:

Publish CRLs Frequently and Predictably
Ensure High Availability of CRL Distribution Points
Implement OCSP as a Complementary Check
Use Short-Lived Certificates When Possible
Audit and Monitor Certificate Use Regularly
Train Cross-Functional Teams

Conclusion

The security and reliability of your online assets are essential in a time when digital interactions determine brand credibility. By making sure that compromised or invalid certificates are quickly identified and taken out of trusted circulation, Certificate Revocation Lists are essential to preserving the integrity of the Public Key Infrastructure.

DMARC Explained and Why Your Business Needs It

Daniel Williams — Tue, 29 Apr 2025 10:49:29 +0000

One of the most popular tools for business communication is email. Which is also one that cybercriminals target the most. To Secure your domain from misuse has become essential due to the increased threats like Fake emails, phishing, and business email compromise (BEC). In this situation, DMARC (Domain-based Message Authentication, Reporting, and Conformance) is the best solution.

DMARC is the powerful email authentication that helps to prevent attackers from sending the fake emails to using your domain. When you are manage the large or small size business then DMARC can significantly reduce the the risk of email-based threats and increase your communication trust.

Also, you can refer to this article if you want to know more information in detail: What is DMARC? Setup & Best Practices to Protect Your Domain

What is DMARC?

DMARC is the open email authentication protocol that provides the two technologies is SPF and DKIM. When these protocols are combined then give the domain owners the ability to specify how incoming mail should be handled in the event that authentication checks are unsuccessful.

In simpler words, DMARC is received from email servers:

Who one is allowed to send on behalf of your domain
What to do if an email doesn't pass verification

How DMARC Works

Here is a basic overview: SPF and DKIM check results are used by DMARC.

Email is sent from your domain
Receiving servers verify that the sender is authorized and that the message hasn't been altered by looking through SPF and DKIM records.
DMARC takes over and implements the policy you've established if the email doesn't pass these checks:
none: Take no action but report the failure.
quarantine: Mark the message as suspicious (e.g., send to spam).
reject: Block the message from being delivered.
After that, a report detailing the source and findings of the checks is sent back to the domain owner by the receiving server.

Why is DMARC Important for Your Business?

Prevents Email Spoofing

Cybercriminals often spoof trusted domains to trick recipients into opening malicious emails. DMARC secure the unwanted sources from sending emails that appear to come from your domain. They reducing the risk of fraud and phishing.

Protects Your Brand Reputation

In phishing attack using your domain can damage your brand’s trustworthiness. DMARC helps you maintain control over your domain and ensures your customers, partners, and employees know which emails are legitimate.

Improves Email Deliverability

Email providers are more likely to trust your messages if you have a proper DMARC policy in place. They can boost deliverability and reduce the chances of valid emails ending up in the spam box.

Provides Visibility into the Email Ecosystem

DMARC reports give you insights into who is sending email on behalf of your domain. They helping you to detect unauthorized or misconfigured services quickly.

Aligns with Compliance Standards

An increasing number of industries and government are now require the DMARC implementation as a key component of comprehensive cybersecurity standards. Being compliant now can help you avoid future legal and operational complications.

Also, you can refer to this article if you want to know more information in detail: DMARC Readiness for VMC Certificates: A Foundational Guide

How to Implement DMARC

Steps of Implementation DMARC:

Step 1: Set Up SPF and DKIM
Before the implement of DMARC, you must ensure that SPF and DKIM are properly configure in your domain or not. These protocols are necessary for DMARC to authenticate emails.

Step 2: Create a DMARC Record
Publish a DMARC policy in your domain’s DNS settings. Start with a "none" policy to monitor traffic without affecting delivery.

Step 3: Monitor Reports
Analyze the DMARC reports to identify unauthorized senders and ensure all legitimate services are aligned with your policy.

Step 4: Enforce Policy
Once you’re confident your authorized sources are passing DMARC checks, gradually move your policy to "quarantine" and then to "reject" for full protection.

Step 5: Maintain and Adjust
Review the DNS records & DMARC reports on a regular basis, especially if you add new email or marketing platforms.

Also, Read Understanding DMARC, BIMI, and VMC: The Essentials for Modern Email Security

Conclusion

DMARC has an important role in email security by protect the fake emails from reaching your email inbox. They protects your brand, builds trust with your customers, and protects your reputation. DMARC gives you clear visibility and control over who is sending email on behalf of your domain.

DMARC is not a optional but its a essential for your business but no matter the size of your company, whether you manage IT for a multinational corporation or sell handmade goods online.

Now is the time to take responsibility for your email security. Check to see if DMARC is enabled on your domain. If not, begin putting it into practice right now to protect your customers and brand from fraud and phishing attacks.

Digital Signature vs Digital Certificate: Key Differences Explained

Daniel Williams — Mon, 28 Apr 2025 11:55:32 +0000

Sensitive information protection requires digital communication. Digital certificates and digital signatures are two crucial cybersecurity tools. But mostly users are not aware of their exact differences and how each one helps to secure online interactions.

They both make important contributions to the security, integrity, and authenticity of digital transactions, digital signatures and digital certificates work for different purposes. This article will break down the key differences between a digital signature and digital certificate, highlight their individual roles, and explain how they work together in securing digital communications.

What is a Digital Signature?

Digital signatures, which are electronic copies of handwritten signatures or stamped seals, offer much more than identity verification. It offers a means of verifying the sender's identity and making sure the document or message hasn't been tampered with while in transit.

Benefits of Digital Signatures

Authentication
Integrity
Non-repudiation

How Digital Signatures Work

The message or document is hashed by the sender. A fixed-length string of characters that represents the message's contents is called a hash.
The sender encrypts the hash with their private key to create the digital signature.
Using the sender's public key, the recipient can decrypt the digital signature and compare the hash with the message's hash.
If the two hashes match, the recipient can be sure that the message was sent by the sender and hasn't been tampered with.

What is a Digital Certificate?

An electronic document called a digital certificate is used to verify who owns a public key. Along with the public key itself, it also includes details about the key owner, including name and email address. A trustworthy third party, known as a Certificate Authority (CA), issues and validates the certificate.

Benefits of Digital Certificates

Identity verification
Trust establishment
Encryption

How Digital Certificates Work

The certificate has several components:

Public Key - To encrypt the messages or verify digital signatures
Certificate Authority (CA) - A valid third party that confirms the key owner's identity
Validity Period - Range of dates that the certificate is valid.
Digital Signature of the CA - The certificate's authenticity and lack of tampering are confirmed by the CA's digital signature.

Differences Between Digital Signatures and Digital Certificates

They play important roles in securing digital communication, they have different purposes and function differently:

The main purposes of a digital signature are to verify the integrity of a message or document and to verify who sent it. But in digital certificate serves as proof of ownership for a public key. Because it guarantees that the recipient can trust the public key supplied by the sender, it is a component of the public key infrastructure (PKI), which makes secure communications possible.
Digital signature is used to verify the authenticity of documents, emails, and messages. But in digital certificate are mostly utilized for data encryption and online identity verification.
Digital signatures themselves don't depend on a CA, even though certificate authorities might occasionally be involved in the signing process (for example, by timestamping or signing certificates). Digital certificates are intrinsically linked to certificate authorities. To create trust, a certified public accountant issues and signs the certificate.
To involve creating a unique signature for a particular document using asymmetric cryptography (private and public keys). In digital certificate confirms the legitimacy of the public key and is connected to the certificate that has been issued by a reliable CA.

Relationship Between Digital Signatures and Digital Certificates

Although they have different functions, digital certificates and digital signatures are frequently combined in secure communication. When someone signs a document using a digital signature, for instance, the digital certificate can be used to confirm the signer's identity and build confidence in the signature. In the absence of the certificate, the recipient would be unable to confirm that the public key used to generate the signature actually belongs to the sender.

Digital certificates serve as the basis for digital signatures, guaranteeing that the sender's identity and the message's authenticity are appropriately verified.

When to Use a Digital Signature vs a Digital Certificate

Use a Digital Signature

When a document or message's sender needs to be verified.
When maintaining a message's or document's integrity is important.
When you want to make sure the sender can't deny sending the message

Use a Digital Certificate:

When a public key's authenticity needs to be confirmed
When establishing trust between parties, in digital communication is necessary.
Online communications must be secure when utilizing SSL/TLS to authenticate software, encrypt emails, or browse websites.

Conclusion

They are both important for protecting online communications, but they are two different tools with different purposes and uses. It verifies the identity of the entity behind a public key. However, a digital signature ensures that the document or message is authentic and unchangeable. Together, they serve as the cornerstone of many modern security systems, ensuring the dependability and confidentiality of digital communications.

The differences and relationships between these two technologies will help individuals and businesses select the best tools for different security purposes. They work together to protect the authenticity, integrity, and confidentiality of digital data.

You can also, refer to this article Digital Signature vs. Digital Certificate for more detailed information.

Which SSL Certificate is Best for Recruiting Websites?

Daniel Williams — Wed, 23 Apr 2025 10:53:18 +0000

Privacy and security are critical issues when it comes to sensitive data on any website in the digital era. Nonetheless, given that they possess vital and private data about their consumers and prospects, it has become increasingly significant for websites that manage hiring.

With the alarming wave of cyberattacks, companies, and job candidates must seek safe recruitment websites that provide a secure environment. A recent annual report for 2023 reveals that ransomware attacks impacted 72% of organizations worldwide. This is where the need for SSL (Secure Sockets Layer) certificates comes into force.

This article will explore the different types of SSL certificates, their importance, tips on choosing the right one, and which SSL certificate is best for recruitment websites.

This article will explore the types of SSL certificates, their significance, tips on choosing the right one, and which SSL certificate is best for recruiting websites.

SSL Certificate - Definitions & Types

A popular security method that enables encrypted communication between a web server and a web browser is SSL. To reduce the possibility that hackers and identity thieves will compromise or steal sensitive data (like usernames, passwords, credit card numbers, emails, etc.), millions of people and online businesses use it. SSL essentially permits a secret "conversation" between the two targeted parties.

All reliable websites, especially those in the finance, business, and recruitment sectors, rely on SSL certificates.

Here are the types of SSL certificates:

● Domain Validated (DV) SSL Certificates
● Organization Validated (OV) SSL Certificates
● Extended Validation (EV) SSL Certificates
● Wildcard SSL Certificates
● Multi-Domain (SAN) SSL Certificates

Top 5 SSL Certificate Providers

Here are some of the best SSL certificate providers for recruiting websites:

SSL2BUY – Best for Competitive Deals

SSL2BUY is a trusted SSL provider that offers SSL certificates at a cheap price from leading Certificate Authorities such as PrimeSSL, DigiCert, and GlobalSign. It offers different types of SSL, such as DV, OV, EV, Wildcard, and Multi-Domain SSL certificates, making flexible and budget-friendly choice for recruiting websites.

Top Features

● Affordable pricing with regular discounts
● Certificates from top CAs
● Free SSL installation support
● Multiple SSL brands under one roof
● Easy-to-use SSL comparison tools

Comodo SSL – Best for Affordability

If you are curious about which SSL certificate is best for recruiting websites, Comodo SSL is one of those you can rely on. The certificate provider offers several SSL certificates for different needs. It includes DV, OV, and EV certificates. It has a warranty and a trust seal that enhances its credibility & authenticity. It also provides amazing customer support and an affordable price.

Top Features

● Unlimited server license
● Unlimited re-issuance policy
● 256-bit encryption
● Free website seal
● Automated validation

DigiCert – Best for Advanced Security

High-assurance SSL certificates from DigiCert, such as EV certificates with green address bars, are well-known. They offer robust encryption and authentication, suitable for recruiting websites and handling sensitive data. DigiCert provides comprehensive security solutions and prioritizes customer satisfaction.

Top Features

● Automatic malware detection
● Payment card industry compliance scans
● Blocklist checks
● Priority support
● Free installation assistance

GeoTrust – Best for Authenticity

As a member of the DigiCert family, GeoTrust has a solid reputation in more than 150 countries and provides a wide range of SSL certificates, including Extended Validation and Domain Validation. In addition to having substantial warranties and the "Secured by GeoTrust" seal, GeoTrust certificates are well-known for being reasonably priced, making them a dependable option for companies trying to safeguard their online presence. GeoTrust has marked its space today when searching for which SSL certificate is best for recruiting websites.

Top Features

● Strong Encryption
● Broad Certificate Range
● Rapid Issuance
● Wildcard Support
● Affordable Price

GlobalSign – Best for Enterprise Businesses

GlobalSign provides a wide range of SSL certificates, including OV and EV certificates, with strong encryption and authentication. They certificates are supported by excellent client support and include lots of warranty options.

Top Features

● Complete certificate lifecycle management
● Certificate Monitoring
● Mobile device security
● Delegated user permission
● SSL certificate tracker in one location

RapidSSL – Best for Affordability

A GeoTrust subsidiary firm, RapidSSL, specializes in offering 256-bit encrypted digital certificates that are dependable and reasonably priced. This cheap SSL certificate is ideal for small enterprises and personal websites because it is known for its simplicity and speedy issuance process, and is made to fulfill various financial requirements.

Top Features

● Support single and wildcard certificates
● Quick issuance process
● Highest level of encryption for secure transactions
● Owned by DigiCert
● Supported in 99.9%+ browser

Discovering the Need for SSL Certificates for Recruiting Websites

It is now crucial to ensure the security of online platforms in today's busy digital world, where each keystroke and click has a significant meaning. SSL (Secure Sockets Layer) certificates are vital to cybersecurity measures, particularly for job websites, despite the abundance of options available.

Here are some reasons why SSL certificate is necessary for a recruiting website:

Protecting Private Information: Job websites sometimes manage a lot of private data, including personal addresses, resumes, and, in some instances, bank account information. If SSL encryption is not employed, fraudsters may intercept this data and use it for fraud, identity theft, and other malicious activities. SSL certificates encrypt data as it is sent to keep sensitive information private and secure from prying eyes. Moreover, a good SSL certificate helps protect a website from phishing attacks.

Developing Credibility and Trust: In the cutthroat world of online hiring, success is determined mainly by user trust. Verification of the security of their interactions and information is necessary for visitors to recruiting websites. SSL certifications inform users that a website prioritizes security by showing the padlock icon and "https" in the address bars. Employers and applicants will be drawn to the website more frequently because of this clear proof of the organization's commitment to protecting user data.

Increasing the Performance of SEO: When ranking websites in search results, search engines such as Google give priority to security. Compared to sites that use SSL encryption, sites that are not secure rank somewhat higher. Consequently, adding SSL certificates to employment websites increases their online discoverability and exposure while protecting critical data. High organic traffic from search engines broadens the pool of prospective employees and employers. Moreover, with the use of a wildcard SSL certificate, all the subdomains of a website will be secured, which also enhances SEO performance.

Meeting Regulatory Compliance: In countries like the US & Europe, there are some strict data protection laws for recruiting sectors. These laws establish severe penalties for noncompliance and require the security of personal data. SSL certificates encrypt data transactions and guarantee user information security, so they are essential for fulfilling these compliance requirements. Recruitment websites can reduce legal risks and establish a reputation for careful data management by complying with regulatory regulations.

You can also, refer to this article What is an SSL Certificate for more detailed information.

7 Tips for Choosing the Right SSL Certificate for Recruiting Websites

For a recruitment website, selecting the appropriate SSL certificate is essential to guarantee the platform's security, reliability, and compliance.

The following are essential variables to take into account when deciding which SSL certificate is ideal for hiring websites:

1. Validation Level

Select the level of validation required by your hiring website. Domain Validated (DV) certificates confirm the domain's ownership, whereas entity Validated (OV) certificates validate the entity powering the website. Extended Validation (EV) certifications offer the most significant degree of certification, requiring stringent domain ownership and corporate identification verification. Choose a certification that aligns with the confidence and trust you want users to have in you.

2. Encryption Strength

Before buying an SSL certificate, it's essential to consider the strength of the certificate's encryption. Certificates with high-end encryption ensure secure data transfer between the user's browser and the server by protecting against prying eyes. When purchasing an SSL certificate, use one that offers robust encryption methods to safeguard sensitive information.

3. Compatibility and Browser Trust

Verify that an SSL certificate is compatible with a range of devices and browsers to guarantee a faultless user experience. To prevent user compatibility problems and security alerts, confirm that most web browsers accept and trust the certificate. User and browser trust is higher for respectable Certificate Authorities (CAs) issuing SSL certificates.

4. Warranty and Liability Protection

Consider whether the SSL certificate has a warranty or liability protection in case of data breaches or security incidents. Some SSL providers offer financial compensation to users in the event of unauthorized access to encrypted data. Evaluate the warranty coverage and terms provided by the SSL certificate provider to determine the level of protection offered.

5. Additional Features and Services

Assess any additional features or services offered by the SSL certificate provider. This may include vulnerability scanning, malware detection, and certificate management tools. These added features can improve the security and management of your recruiting website and provide added value beyond basic encryption.

6. Budget and Pricing

To buy SSL certificate, it's essential to determine the budget and compare pricing options from different providers. While cost should not be the sole determining factor, consider each SSL certificate's value proposition about its price. Look for competitive pricing without compromising the security and features required for your recruiting website.

7. Customer Support and Reputation

Analyze the SSL certificate provider's customer service and reputation. Select a supplier with a history of producing SSL certificates of the highest caliber, prompt customer service, and dependable technical support. You must read client evaluations and testimonials to assess a provider's reputation and dependability.

You can also, refer to this article SSL Certificates for Subdomains: Choose the Right SSL Certificate for Your Subdomain for more detailed information.

Conclusion

SSL certificates provide a safe and secure browsing experience. It encrypts data that enhances a website's integrity and authenticity. Today, more than 80% of websites are using secure sockets layer certificates. This depicts that the SSL protocol is critical for every website to protect against prying eyes.

Whether it is to protect sensitive information, such as candidates' resumes, build user trust, or comply with regulations, selecting a high-end SSL certificate is crucial for recruiting websites.

Thus, investing in a good SSL certificate is best for recruiting websites demonstrating a commitment to security, trustworthiness, and legal compliance. This approach makes it ideal for safeguarding sensitive information on recruiting sites.

How To Get Comodo Positive SSL Wildcard Certificate?

Daniel Williams — Fri, 18 Apr 2025 11:29:30 +0000

Plentiful digital securities are available in the digital market. Be it a firewall, anti-virus software, anti-malware software, or an SSL/TLS certificate, they all share one common motto.

Preventing unwanted and unauthorized access from penetrating networks.
This blog is about Wildcard SSL/TLS certificates and the security they offer. But, before we plunge into the main topic, let’s have a brief about SSL/TLS certificates.

What is an SSL/TLS Certificate?

SSL/TLS certificate is the acronym for Secure Sockets Layer/Transport Layer Security. They are digital certificates used for securing websites. When an SSL certificate is installed on the web server, it creates an encrypted communication channel between the browser (client) and the server, i.e., it converts the plain text into a cipher text.

Example:

Plain text – Jack has a huge business.
Cipher (encrypted) text – jkuie83djkh$8j*

In this way, all the browser-server communications are encrypted, and intruders fail to misuse site-sensitive information despite gaining access to the same.

Types of SSL/TLS Certificates:

These digital securities are available in multiple types. A Standard SSL certificate secures the main domain, a Wildcard SSL certificate secures the root domain + all subdomains (first level) and a Multi-domain SSL certificate secures multiple domains + multiple subdomains (all levels).
Various global brands like Comodo, GeoTrust, Thawte, RapidSSL, etc. offer these SSL products at attractive rates.

In this blog, we will discuss everything about Comodo Positive SSL Wildcards and their benefits.

About Wildcard SSL Certificates:

Wildcard SSL certificates use “” as a wildcard character to secure multiple 1st level subdomains apart from securing the main domain of the website. So, when an () is placed before the domain name, at the time of CSR (Certificate Signing Request) generation, the website owner can keep on adding varied subdomains before the domain name as and when required and secure them.

In short, one single Wildcard SSL certificate can secure multiple sub-domains, and the site owner is saved from the hassles of purchasing and managing varied SSL certificates for securing their website.

Example:

If the root domain is yourwebsite.com, it can secure blog.yourwebsite.com, article.yourwebsite.com, and fashion.yourwebsite.com.

Now that you have clarity about Wildcard SSL certificates. Here, we have discussed a bit more about Comodo Positive SSL Wildcard, its security level, and the benefits it has to offer.

About Comodo PositiveSSL Wildcard:

Comodo PositiveSSL Wildcard comes with a bundle of benefits. Easy-to-use, hassle-free, and scalability are its best pros.

This Wildcard SSL certificate offers robust 256-bit SSL encryption security and 2048-bit CSR encryption, which prevents intruders from accessing your website.

So, if your website domain is www.mysite.com, this SSL certificate can secure unlimited subdomains like www.blog.mysite.com, www.music.mysite.com, www.video.mysite.com, etc.

It comes with huge warranty and money-back offers, which give peace of mind to the site owners opting for this certificate.

Comodo PositiveSSL Wildcard certificate is powered by Sectigo and uses the SHA-2 hashing algorithm for strong security. It helps boost SEO (search engine optimization) rankings and ensures better visibility to site visitors.

Additional Features:

Available in two validations, i.e., DV (domain validation) and OV (organization validation).

Less Issuance Time
Unlimited Subdomain Security
Unlimited Server Licences
Unlimited SSL Re-Issuances
Free Site Seal
24/7 Customer Support
99.9% Browser-Server Compatibility
Warranty of $50,000
30-days Refund Policy

The first feature states that this SSL certificate is available in two validations.

Comodo PositiveSSL Wildcard (DV) can be quickly issued within minutes since the Certificate Authority (CA) needs to check the domain name only before its issuance.
Comodo PositiveSSL Wildcard (OV) requires 1-3 business days for its issuance since the CA needs to verify the organization’s legitimacy and the owner’s identity before its issuance.

All the Wildcard SSL features are available in both of these SSL validations. Another additional benefit is the cost and time factor, which can be benefited by choosing the multi-year plan offered by this SSL provider. Comodo PositiveSSL Wildcard is all about less cost, less time, and more security.

Its intuitive dashboard, too, is a boon to site owners who can view the status of the SSL certificate and renew the same time before its expiry date.

So, what are you waiting for? Generate the CSR, grab your Comodo PositiveSSL Wildcard certificate, configure the same with expert help, and secure your digital web.

All you need to know about Code Signing Certificates

Daniel Williams — Tue, 15 Apr 2025 07:30:10 +0000

Code signing certificates authenticate software developers. They also guarantee that their code remains unaltered by affirming the source and confirming the integrity of the code.

For developers, this is key for their reputation as it helps shield the potential users of their programs from potential harm due to malicious or tampered software. In this guide, we explain the key basics you may want to know about code signing certificates.

The different types of code signing certificates
How to choose the right code signing certificate for your business and
The best practices for implementing code signing certificates

What are the Different Types of Code Signing Certificates?

Code signing certificates come in various types. Each type of code signing certificate you will find online is tailored to specific needs. For example, if you're looking to build public trust, you can choose Organization Validation (OV) or Standard Certificates and Extended Validation (EV) Certificates.

Organization Validation (OV) or Standard Certificates:

These validate the legitimacy of the entity behind the software, confirming the organization's details. They are widely used for general software distribution and provide a reasonable level of assurance to users regarding the software's origin. OV certificates are suitable for most software applications and are mostly preferred for distributing applications, plugins, and drivers

Extended Validation (EV) Certificates:

EV certificates prominently display the developer's name in browsers to enhance user confidence. They're particularly crucial for highly sensitive applications and situations where establishing absolute trust is paramount, like in financial applications, critical infrastructure software, and high-security environments.

When shopping for a code signing certificate, do keep in mind that the publisher you're working with may have their own requirements as far as code signing is concerned. Let's use the example of Microsoft and iOS, for instance.

Microsoft often mandates EV code signing certificates, while iOS necessitates Apple code signing certificates. That said, the best code signing certificate for your needs will depend on the level of trust you're hoping to build and, of course, the nature of the software you're safeguarding.

For widely distributed applications with standard security requirements, OV certificates are generally sufficient. However, for critical applications or those involving sensitive data, investing in an EV certificate is prudent.

What Other Key Factors should you consider when choosing a Code Signing Certificate?

As simple as it may sound, choosing a code signing certificate isn't something to take lightly. There are several factors to consider with one of the most key ones being the reputation of the issuing Certificate Authority.

Trust is key to the successful execution of your code and your CA plays a key role in this. A reputable CA ensures that the certificate isn't only recognized widely but also trusted by users on several key platforms.
Another key consideration is the cost against the value you're getting from the certificate, as cheap Code Signing certificates may be tempting but lacking when it comes to the security features you can be guaranteed in higher-tier alternatives. If you're looking to ensure more stringent security requirements, consider an Extended Validation Code Signing Certificate.

To add to those two issues, also consider the compatibility of the certificate with different platforms, software and customer support. Check to ensure that your certificate supports multiple operating systems and file types and that customer service is easily accessible.

What are the Best Practices for Implementing Code Signing Certificates?

Getting a code signing certificate doesn't guarantee foolproof security of your code against tampering. This is especially true if you're not keen to observe the best practices for implementing the code signing certificates. That said, here are six best practices for Code Signing certificate implementation;

Protecting Private Keys with Cryptographic Hardware Products:

This is a key step to protect your piece of code from potential attacks. With cryptographic hardware certified at FIPS 140 Level 2 or higher, you're guarded against unauthorized export of the key to software. A randomly generated password with a minimum of 16 characters, comprising uppercase and lowercase letters, numbers, and special characters, adds an extra layer of protection.

Understanding the Difference between Test Signing and Release Signing:

Recognizing this difference is key. Compared to production code signing, test signing necessitates fewer security access controls. Test certificates, which can be self-signed or from an internal test CA, should chain to a distinct root certificate. This root certificate must be isolated from the one used for publicly released products. This isolation ensures that test certificates are only trusted within the designated test environment.

Virus Scanning Code Before Signing:

Code signing can authenticate the source of code but it doesn't guarantee the safety or quality of the code. That said, it is best to proceed with caution when incorporating code from external sources. A good best practice in this regard is to implement robust virus scanning processes before signing to enhance the overall quality of the released code.

Revoking Compromised Certificates:

Make it a habit to promptly report signed malware or key compromises to the CA. If compromise is suspected or confirmed, see to it that the code signing certificate is revoked. You may also want to ensure the code is time stamped so you have the luxury of selecting a revocation date before the compromise to ensure minimal impact on previously signed code.

Minimizing Access to Private Keys:

It may also help to make it a rule to limit connections to computers with keys as well as restrict the number of users with key access. This can help you mitigate several security loopholes. To add to those minimized access to private keys, employ physical security controls to further reduce unauthorized access to the keys.

Time-stamping Code:

With time-stamping, your code can still be verified even past the certificate expiration date. It can also still be verified even if the certificate is already revoked. Time-stamp certificates can be issued for a maximum of 135 months. They allow for the signed software to be validated for up to 11 years. With timestamping, you can rest assured that users will be able to trust your software's authenticity long after the certificate has expired.

Conclusion

Cyber threats are only increasing, and there is no better thing you could do than ensuring the integrity and trustworthiness of your code. Code signing certificates give your users the assurance that the software they're downloading is authentic and unaltered.
So, choose the right type of certificate. It is a critical decision in your software development process that may seem simple, but it is a giant step towards building trust and safeguarding your customers from potential threats that come with malicious software.