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How to protect your frontend application against CSRF attacks

Sabe o que é e como se proteger de ataques CSRF (Cross-Site Request Forgery) ? CSRF é um tipo de ataque no qual um usuário autenticado é induzido a executar uma ação que não pretendia realizar em uma aplicação. Imagine, por exemplo, que você está logado em um site de compras e recebe um e-mail contendo um link aparentemente inofensivo. Ao acessar esse link, uma página maliciosa tenta realizar uma…

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The article explains how to protect against Cross-Site Request Forgery (CSRF) attacks, which trick authenticated users into performing unintended actions on a web application. To prevent such attacks, a token-based approach can be used, where a random and unpredictable value, known as a CSRF token, is generated by the server and sent to the frontend.

The frontend then includes this token in requests that modify application data, and the backend verifies the token before executing the operation. The article provides an example implementation in JavaScript, using Node.js and Axios, and highlights best practices for using CSRF tokens, such as avoiding inclusion in URLs or query strings.

Written by urgent.news from Dev.to's report — not a translation of it. Machine-written — may contain errors; check the original before relying on it.

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