Understanding Cross-Site Request Forgery (CSRF) Attacks: How They Work and How to Prevent Them

CSRF exploits browser trust to hijack user actions. Learn how it works and how to defend your web apps

Cross-Site Request Forgery (CSRF) is a critical web security vulnerability that exploits the trust a web application has in an authenticated user. Unlike other attacks that directly target a web application’s security mechanisms, CSRF tricks a logged-in user into unknowingly executing unwanted actions on a website where they are authenticated. This attack is particularly dangerous because it takes advantage of how browsers handle authentication tokens, such as cookies, making it a persistent risk for web applications that rely on session-based authentication.

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