In cryptography, a key state in which the secrecy or integrity of the key is suspect. [After X9.17/95]

Unintentional signals that, if intercepted and analyzed, would disclose the information transmitted, received, handled, or otherwise processed by information systems equipment. [INFOSEC]

1. A device that accepts data, processes the data in accordance with a stored program, generates results, and usually consists of input, output, storage, arithmetic, logic, and control units.
2. A functional unit that can perform substantial computation, including numerous arithmetic operations or logic operations, without human intervention during a run.
Note 1: This definition, approved by the Customs Council,… (Read More →)

1. In computer security, a willful or negligent unauthorized activity that affects or involves the computer security of a data processing system. [2382-pt.8]
2. In computer crime, the use of a computer to perform an illegal or unauthorized act.
3. Intentional or reckless misuse, alteration, disruption, or destruction of information processing resources. [INFOSEC-99]

Of a computer, the physical configuration, logical structure, formats, protocols, and operational sequences for processing data, controlling the configuration, and controlling the operations.
Note: Computer architecture may also include word lengths, instruction codes, and the interrelationships among the main parts of a computer or group of computers.

A communication session, facilitated by means of a computer network, between several participants, each of them having access to all messages submitted.
Note: Messages, in general, have no specified recipient, but are sent to the entire membership. Messages may contain text, video, audio, graphics, software, or a combination thereof. Some of these may be contained in the message and may… (Read More →)

1. Teleconferencing supported by one or more computers.
2. An arrangement in which access, by multiple users, to a common database is mediated by a controlling computer.
3. The interconnection of two or more computers working in a distributed manner on a common application process.

A violation of law committed with the aid of, or directly involving, a data processing system or network. [2382-pt.8]

Use of a crypto-algorithm program by a computer to authenticate or encrypt/decrypt information. [INFOSEC-99]

A fraud committed with the aid of, or directly involving, a data processing system or network. [2382-pt.8]