Password

A password is a form of secret authentication data that is used to control access to a resource. The password is kept secret from those not allowed access, and those wishing to gain access are tested on whether or not they know the password and are granted or denied access accordingly.

See also

• Password policy
• Password length parameter
• Password length equation
• Password cracking
• Passphrase
• Password-authenticated key agreement
• Shadow password
• Password synchronization
• Self-service password reset
• Two-factor authentication, an authentication protocol that requires two forms of authentication to access a system