DEV Community: Raghu

Top courses on cyber security

Raghu — Sun, 19 Nov 2023 07:16:28 +0000

What is cybersecurity?
Cybersecurity is a technology or practice that prevents or mitigates cyberattacks, protecting systems, applications, devices, sensitive data, and financial assets from various types of attacks, including simple viruses and sophisticated ransomware.

Top online courses on cyber security are:
1.Cybersecurity Analyst Interview Prep
This Skill Path aims to help individuals transition their cybersecurity skills into a career by preparing for interviews. It covers topics such as communication, definitions, networking, scripting challenges, tools, threat intelligence, and incident response scenarios. The path also provides practice in answering tough interview questions and completing scripting challenges. The goal is to grow one's network and skillset to attract potential employers. The course also covers how to polish up one's resume and LinkedIn profile to find the best fit for a cybersecurity job. The goal is to help individuals transition their cybersecurity skills into a successful career.

2.Fundamentals of Cybersecurity
The Fundamentals of Cybersecurity Skill Path provides an overview of key cybersecurity fundamentals, including how hackers gain access to systems, ransomware's danger, and the average person's need for concern. It covers the reasons for cybersecurity, common cyber attacks, and methods to assess and research security. After completing the path, the reader is ready to explore the next steps in cybersecurity.

3.CompTIA Security+ (SY0-601) Complete Course & Exam
This course, taught by Jason Dion, a best-selling IT certification instructor, provides comprehensive knowledge of computer security and configuration, management, and troubleshooting skills for the CompTIA Security+ exam. The course covers all domains of the exam, including attacks, threats, vulnerabilities, architecture, design, implementation, operations, incident response, governance, risk, and compliance. Students receive video lectures, a downloadable study guide, practice quizzes, and a full-length practice exam. The course is updated with the latest release of the exam and offers a 30-day money-back guarantee.Upon completion, students can earn 21 CEUs towards the renewal of their CompTIA A+ certification.

4.IBM: Cybersecurity Roles and Operating System Security
This IBM course provides a comprehensive understanding of cybersecurity roles within organizations, including CISOs and security analysts. It covers key cybersecurity processes, authentication and access control methods, architecture, file systems, and basic commands for multiple operating systems. Successful completion of the course earns a skill badge, a digital credential that profiles the knowledge and skills acquired.

Conclusion
When deciding which of the best online cybersecurity courses to use, first consider what level of competency you are currently at. If you've not learned cybersecurity before then it would definitely be recommended to start with the beginner courses, as these will break you into the basics you'll need before you cover more advanced tools. However, if you already have a decent amount of experience with cybersecurity then feel free to try your hand with the more advanced courses.

Learn C#

Raghu — Mon, 13 Nov 2023 18:18:02 +0000

Introduction
C# is an object-oriented programming language that supports various features, including garbage collection, nullable types, and exception handling, making it a natural language for creating robust applications.
C# is the 7th most popular programming language, offering general-purpose capabilities like database work, video game graphics, audio/video effects, and device control. It's interpreted and compiled, providing excellent screen handling support for both web and desktops.

Roadmap to learn C#
1.Learn the basic concepts
Learning syntax is the fundamental foundation for any programming language, including C#, which covers variables, data types, comments, input-output, and type-conversion.
Learn syntax, branching, and looping statements to automate repetitive tasks and create flow in a program. Topics include If/Else conditions, switch statements, comparison operators, logical operators, and for loops.

2.Learn the concept of function
Functions group code for specific operations, allowing multiple executions without writing the same code in different sections. Arrays store data lists.

3.Learn Object oriented programming with C#
This section teaches about OOPS concepts, including classes, objects, access modifiers, fields, properties, constructors, "This" keyword, constructor overloading, and object dot notation.

Top courses for C#
This includes:
1.C# Basics for Beginners: Learn C# Fundamentals by Coding
2.Learn C#
3.C# Advanced Topics: Prepare for Technical Interviews

Roadmap to learn to code

Raghu — Sat, 28 Oct 2023 16:31:49 +0000

Introduction
Many individuals have attempted preparation and cover various topics, creating a plan and using resources like tutorials and videos. However, after a few days or months, they realize they are not making progress and find the situation overwhelming.
Programming paradigms, such as Object-oriented programming (OOPs), Functional programming, and procedural programming, are styles or structures of programming that developers should understand to create efficient and flexible code, allowing them to make broader choices. This roadmap is to guide beginners to improve quickly in the art of coding.

How to fasten the process of learning to Code

Choose the programming language you want to learn and learn its basics:
Choose a programming language that suits your needs and preferences. Explore different languages, read about them, and try them in your code editor. Avoid confusion and switch to different languages based on factors like compatibility, speed, or compatibility with multiple languages. Choose a language you're comfortable with and stick with it, as it typically takes 4-5 days to learn.
The basic concepts you should learn are:
1.Displaying outputs and providing inputs
2.Data types
3.Iterations(loops)
4.Arrays
5.Strings
Some courses for this is:
Python-100 Days of Code: The Complete Python Pro Bootcamp for 2023
C++-Beginning C++ Programming - From Beginner to Beyond

Learn the concepts of Data structures and algorithms
Here first you need to learn the complexities related to time and space complexities. The complexities of code execution are influenced by input parameters, device speed, and data transfer speed, which can impact the execution time.
Learn Data Structures and Algorithms, a crucial subject in coding interviews, covering the basics of various data structures and algorithms, including their complexity. The important topics are:
Time and Space Complexity Analysis

Sorting
Searching
Arrays
Stacks and Queues
Linked List
Trees
Graphs

Practice, Practice and Practice
Practice basic data structure and algorithm for coding questions to prepare for medium-level problems. I will refer to Geekforgeeks for practicing purpose. Solve 200 questions which are basic. Practice medium level questions to prepare for interviews by solving 150-170 questions as medium.

Learn The computer architecture and the working of programming languages
Modern programming languages allow us to create complex applications without worrying about hardware details. This is called abstraction, which simplifies working with higher-level tools. However, it's essential to understand the basics of computer architecture, such as microchips, which rely on transistors for function. A single microchip can contain millions or billions of transistors, helping navigate workplace conversations about high CPU and memory usage. One must also learn the working of programming language and other technical aspects like compiler, interpreter, etc.

Conclusion
This article is written by using my experience of 3 years in coding in order to fasten the learning process for new coders.
This is just a roadmap towards that purpose. There are lot of sites that facilitate this learning like:- Udemy, Codecademy.
You can compare top courses available across various sites on Pacificmultiverse. All the best on your coding journey.