Understanding Password Hashing: Why Store Hashes Instead of Plain Passwords?

Learn why storing password hashes enhances security and protects sensitive information from data breaches.

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Storing password hashes instead of passwords enhances security by preventing attackers from obtaining users' actual passwords. Hashing transforms passwords into unique, irreversible codes, so even if a database is compromised, the original passwords remain protected. Hashing also allows for quick verification of login attempts without exposing sensitive information, making it a fundamental strategy in safeguarding user credentials.

FAQs & Answers

  1. What is the difference between hashing and encryption? Hashing transforms data into a fixed-size string of characters, which is irreversible, while encryption allows data to be converted back to its original form.
  2. How does password hashing improve security? It protects user passwords from being exposed even if the database is compromised, as the original passwords cannot be retrieved from the hash.
  3. What hashing algorithms are commonly used? Common hashing algorithms include SHA-256, bcrypt, and Argon2, each offering varying levels of security and efficiency.

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For more information about securing user credentials and best practices in cyber hygiene, check out our related content on encryption methods and secure coding techniques.

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