Security
OWASP Top 10 2025: Web Application Security Guide with Real Attack Examples
The OWASP Top 10 2025 lists the most critical web application security risks. This is not theory - each vulnerability includes a real attack example, how it works in your Node.js/React codebase, and the concrete fix.
Web App Security Checklist for 2026 - What Every Developer Must Know
90% of web app breaches are preventable. This checklist covers the OWASP Top 10, authentication hardening, and the specific misconfigurations we see in audits repeatedly.
Authentication in 2026: JWT, OAuth 2.0, Passkeys, and When to Use Each
Passwords are insecure. JWT has footguns. OAuth 2.0 is complex. Passkeys are finally real. This guide cuts through the confusion - what authentication mechanism to use for what use case, with code examples and the security pitfalls to avoid.
The Bitcoin Whitepaper: An Interesting Toy or the Future?
Someone named Satoshi Nakamoto has published a paper on a 'Peer-to-Peer Electronic Cash System'. Is this the holy grail of cryptography, or just another Cypherpunk dream?
OpenSSH Tunneling: Securing Database Connections Over Public Networks (2006)
Exposing MySQL or PostgreSQL to the public internet is a recipe for disaster. In 2006, SSH tunneling is the gold standard for secure remote database administration.
Gentoo: Hardening Your System with USE Flags (2004)
Compiling from source isn't just for fun; it's for security. Let's use Gentoo's USE flags to strip out every unnecessary feature.
Mastering ipfwadm: Hardening Linux 2.0.x Firewalls (1998)
The internet is a dangerous place. If you're running a Linux box in 1998 without ipfwadm, you're just waiting for a script kiddie to find you. Here's how to lock it down.
SSH: Why You Should Stop Using Telnet Right Now
Tatu Ylönen has released Secure Shell (SSH). If you're still sending your passwords over the wire in plain text with Telnet, you're asking for trouble.
PGP: Phil Zimmermann's Crypto for the Masses
Privacy is no longer just for the government. Phil Zimmermann just released PGP, and it brings RSA encryption to every desktop. The Feds aren't happy.