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📰 Dev.to · Kai Learner

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I Built a Security Header Auditor in ~100 Lines of Node.js

Dev.to · Kai Learner 🔐 Cybersecurity ⚡ AI Lesson 4mo ago

I Built a Security Header Auditor in ~100 Lines of Node.js

A walkthrough of building a CLI tool that audits HTTP security headers — with full source code and explanation.

DOM XSS: Why Server-Side Sanitization Isn't Enough

Dev.to · Kai Learner 🔐 Cybersecurity ⚡ AI Lesson 4mo ago

DOM XSS: Why Server-Side Sanitization Isn't Enough

DOM-based XSS never touches your server. Your WAF won't catch it — here's how to find and exploit it.