1. Facts, data, or instructions in any medium or form. [JP 1-02]
2. The meaning that a human assigns to data by means of the known conventions used in their representation. [JP 1-02]
3. The meaning assigned to data by means of the convention and context used in its representation [CESG].
Note: Information is represented by data and is not… (Read More →)

Information operations (IO) that protect and defend information and information systems (IS) by ensuring their availability, integrity, authentication, confidentiality, and nonrepudiation. This includes providing for restoration of information systems by incorporating protection, detection, and reaction capabilities. [INFOSEC-99]

See user information bit.

A single-digit data element in the 7-digit format that is outpulsed by the network to indicate the numbering plan digit (NPD) and CESID (caller's emergency service ID) display status. In the 10-digit format, two information digits used to indicate the CESID display status. The information digit or digits can also indicate a maintenance test call. [T1.414-1998]

The return of received data to the source, usually for the purpose of checking the accuracy of transmission by comparison with the original data.

In data transmission, a field assigned to contain user information.
Note: The contents of the information field are not interpreted at the link level.

See Covert Channel [CESG].

[In COMSEC, a] procedure to ensure that information transfers within an information system (IS) are not made from a higher security level object to an object of a lower security level. [INFOSEC-99]

In a frame-relaying network, the condition when all frames relayed by the network satisfy the frame check sequence check. [After T1.606-1990]

The item visible at the POSIX.6/D13.1 interface that is used for associating labeling information with object data. This information is not related to mandatory access control [POSIX.6].