AUTHORIZED USE ONLY
Ethical Hacking Lab
Learn defensive techniques with local exercises. No third-party system is contacted.
This lab runs entirely in your browser. No credential collection, exploitation of external systems, or account hacking.
Safe HTML encoding
See how treating input as text prevents it from becoming executable HTML.
SHA-256 integrity lab
Calculate a cryptographic digest and compare it with an expected value. This is not password storage or encryption.
Defensive takeaway
Use context-aware output encoding, reviewed libraries, and proper access controls. Never test another system without written permission. OWASP · Content Security Policy