Freemium password management service exposes 7 million users' data


In July 2015, the password management company revealed that it had been the victim of a cyberattack, compromising email addresses, password reminders, server per user salts and authentication hashes of 7 million users.

According to security commentators, one of the drawbacks of the hashing algorithm PBKDF2-SHA256 employed by the company was that it was not designed to protect passwords. Salts are really not useful for preventing dictionary attacks or brute force attacks.

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