Cybersecurity
02 Sep 2026
5 min read
Practical CSRF Defense with SameSite Cookies and Tokens
Cross-site request forgery (CSRF) abuses the fact that browsers can automatically attach a user’s cookies to requests. If a state-changing endpoint trusts only the presence of an authenticated cookie, another site may be able to trigger that endpoint from the user’s browser. Modern cookie controls reduce the attack surface, but robust applications still need to reason about request semantics and trust boundaries. Understand the condition that makes CSRF possible A typical CSRF attack needs three ingredients: