Passwords Protection Users shall have different passwords for different accounts. All default passwords shall be changed upon installation of new software or new Operating System (OS). Passwords shall be securely hashed and stored. Never store plain text passwords, and use strong, industry-standard encryption algorithms. Failed login attempts shall be logged and limited to three times and then lock the user. Account lockout duration shall be a minimum of 20 minutes to a maximum of 1 hour. A two-factor authentication shall be set up for critical applications and/or systems.