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]

1. Graphics implemented through the use of computers.
2. Methods and techniques for converting data to or from graphic displays via computers.
3. The branch of science and technology concerned with methods and techniques for converting data to or from visual presentation using computers.