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Agent-402

Agent-402

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6 min read
IP Fraud Detection: VPNs, Tor, and Blacklists

IP Fraud Detection: VPNs, Tor, and Blacklists

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6 min read
How I Built an End-to-End Encrypted File Sharing App with Flask and ChaCha20 in 30 Days

How I Built an End-to-End Encrypted File Sharing App with Flask and ChaCha20 in 30 Days

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4 min read
Complete Guide: Let's Encrypt SSL with cert-manager and Hetzner DNS on Kubernetes

Complete Guide: Let's Encrypt SSL with cert-manager and Hetzner DNS on Kubernetes

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9 min read
Cookie-Based PHP Execution Malware

Cookie-Based PHP Execution Malware

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1 min read
XOR-Obfuscated PHP Dropper

XOR-Obfuscated PHP Dropper

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2 min read
Header-Based Backdoor Malware

Header-Based Backdoor Malware

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1 min read
CVE-2026-23954: Incus Escape: From Templates to Host Root

CVE-2026-23954: Incus Escape: From Templates to Host Root

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2 min read
Building Your Own MAC — Part 3: reinventing HMAC from SHA-256

Building Your Own MAC — Part 3: reinventing HMAC from SHA-256

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5 min read
How to Enable Duo MFA on GCP Windows VMs for Compliance in 10 Minutes

How to Enable Duo MFA on GCP Windows VMs for Compliance in 10 Minutes

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2 min read
The Right Way to Deploy Private GitHub Repos to Your VPS

The Right Way to Deploy Private GitHub Repos to Your VPS

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7 min read
Safe Remote Server Reboot Guide

Safe Remote Server Reboot Guide

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3 min read
The Singleton Design Pattern: A Complete Guide for Developers

The Singleton Design Pattern: A Complete Guide for Developers

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5 min read
Week 6 Scripting Challenge: Building a Security Log Correlator

Week 6 Scripting Challenge: Building a Security Log Correlator

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35 min read
The Night I Almost Lost Everything: A Guide to Stopping Reentrancy Attacks

The Night I Almost Lost Everything: A Guide to Stopping Reentrancy Attacks

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2 min read
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