1. In telecommunications and data processing systems, one or more characters used to identify, name, or characterize the nature, properties, or contents of a set of data elements.
2. A string of bits or characters that names an entity, such as a program, device, or system, in order that other entities can call that entity.
3. In programming languages, a… (Read More →)

A unique piece of information which is recognized as denoting a particular entity within a security domain. The identity information is only unique within the domain [ECMA138].

The performance of tests to enable a data processing system to recognize entities.
Note: An example of identity authentication is the checking of a password or identity token. [2382-pt.8]

1. A device, such as a metal key or smart card, used for identity authentication. [After 2382-pt.8]
2. [A] Smart card, metal key, or other physical object used to authenticate identity. [INFOSEC-99]

Tests enabling an information system to authenticate users or resources. [INFOSEC-99]

A security policy based on the identities and/or attributes of users, a group of users, or entities acting on behalf of the users and the resources/objects being accessed [7498-2]

Abbreviation for intermediate distribution frame.

1. Interface Definition Language,
2. Interactive Data Language.

Integrated Digital Loop Carrier

A control character that is transmitted when no useful information is being transmitted. [From Weik '89]