Phase 13 · Security
TopicsCSRF Protection
Part of the Backend Developer Roadmap.
Summary
Cross-Site Request Forgery — preventing a malicious site from tricking a logged-in user's browser into making unwanted requests to your API using their existing session/cookies.
How to Learn This
- 1Learn why CSRF specifically targets cookie-based session auth, not token-based auth in headers.
- 2Implement CSRF tokens for a cookie-authenticated form submission.
- 3Understand `SameSite` cookie attributes as a modern, simpler mitigation.
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