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What's the best way to securely store user passwords in a web application?

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What's the best way to securely store user passwords in a web application?

Asked on Jan 04, 2026

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The best way to securely store user passwords in a web application is to use a strong, one-way hashing algorithm with a unique salt for each password. This ensures that even if the password database is compromised, the original passwords cannot be easily retrieved.

<!-- BEGIN COPY / PASTE -->
    const bcrypt = require('bcrypt');
    const saltRounds = 12;

    function hashPassword(password) {
      return bcrypt.hash(password, saltRounds);
    }

    function verifyPassword(password, hash) {
      return bcrypt.compare(password, hash);
    }
    <!-- END COPY / PASTE -->

Additional Comment:

Use a reputable library like bcrypt, Argon2, or PBKDF2 for password hashing.
Always use a unique salt for each password to prevent rainbow table attacks.
Regularly update your hashing algorithm and parameters to align with current security standards.

✅ Answered with Security best practices.

Ask any question about Website Security here... and get an instant response.

What's the best way to securely store user passwords in a web application?

Asked on Jan 04, 2026

Answer

Additional Comment:

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