A cryptoprocessor chip on a mainboard used to store and process cryptographic keys for the purposes of a hardware supported/implemented hard drive encryption system.

Ability to ensure recovery without compromise after a system failure.

An entity trusted by other entities with respect to security related services and activities, such as a certification authority.

A record or row in a database.

A form of gate that prevents more than one person at a time from gaining entry and often restricts movement in one direction.

A communication medium that consists of pairs of wires that are twisted together and bound into cable.

The use of two independent mechanisms for authentication; for example, requiring a smart card and a password.

Continuous surveillance and control of positive control material at all times by a minimum of two authorized individuals, each capable of detecting incorrect and unauthorized procedures with respect to the task being performed, and each familiar with established security and safety requirements.

Something you know, such as a password, personal identification number (PIN), combination lock, passphrase, mother’s maiden name, or favorite color.

Something you have, such as a smart card, ATM card, token device, or memory card.