Blog — Developer Tutorials & Guides

Apr 12, 2026 9 min

What Is CSRF and How to Protect Your Web Application From Cross-Site Request Forgery in 2026

CSRF is easy to understand conceptually and easy to miss when building forms under deadline pressure. This comprehensive guide covers exactly how CSRF attacks work, what SameSite cookies do and don't protect, a full PHP CSRF token implementation with per-action tokens, AJAX protection, and how it all changes when you're using Bearer token authentication.

Apr 07, 2026 9 min

SQL Injection in 2026: It's Still Happening and Here's Why Your Sanitization Isn't Enough

SQL injection still appears in new code in 2026 — not because developers don't know about it, but because the gap between knowing the concept and preventing every variation is wider than most realize. This covers why it's still happening, what modern automated exploits look like, and the critical cases where prepared statements alone aren't enough.

Apr 06, 2026 9 min

Understanding Cross-Site Scripting (XSS): How It Works and How to Prevent It in Your Web Apps

XSS appears in new code every week, including in modern JavaScript frameworks. This deep-dive covers reflected, stored, and DOM-based XSS with real attack scenarios, what attackers actually do with script injection beyond cookie theft, and why Content Security Policy matters — plus where it still falls short.

Apr 02, 2026 10 min

Telegram Bot Security: Common Vulnerabilities and How to Build Safe Bots

Telegram bots are fast to build and easy to misconfigure. When your bot is misconfigured, the consequences range from exposed reseller panels to unauthorized command execution. This practical guide covers the six most common Telegram bot vulnerabilities with working PHP code for each fix.

Mar 31, 2026 10 min

PHP API Security Best Practices Every Backend Developer Should Follow

Most PHP APIs shipped to production contain at least one serious security flaw — not from carelessness, but from patterns developers learn before security becomes second nature. This deep-dive covers the seven most common PHP API vulnerabilities with real code examples and fixes you can apply today.