Secure Web Application Development: A Hands-on ... Apr 2026

Changing a URL parameter ?user_id=123 to ?user_id=1 to see the Admin’s private data.

"Security is not a product, but a process." — Bruce Schneier Secure Web Application Development: A Hands-On ...

Give your database user only the permissions it needs (no db_owner for a web app!). Changing a URL parameter