Authentication ensures that users are who they to be.

A digital certificate is an electronic document issued by a that verifies the authenticity of a website.

Biometric authentication uses physical characteristics.

is a measure of how difficult it is to guess or crack a password.

requires the use of two different authentication methods.

A strong should contain a combination of letters, numbers, and symbols.

When data is entered into a form, it should be checked for .

is the process of proving one's identity.