Express.js

What are the best practices for securing an Express.js application?

The question is about Express.js .

Answer:
To keep an Express.js app secure, use HTTPS, validate all user input to prevent injection attacks, and implement rate limiting. Secure cookies by setting HttpOnly and Secure flags, and use tools like Helmet and Express-Validator. Additionally, ensure your dependencies are up to date and handle environment variables securely.

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