A component of a search engine that collects information from Internet resources. [2832-35] Synonyms droid, infobot, robotic librarian, search robot.

1. An analytical attack in which a cryptanalyst possesses a substantial quantity of corresponding plain text and cipher text. [2382-pt.8]
2. A method of attack on a crypto system where the cryptanalyst has matching copies of plain text, and its encrypted version.

Key Performance Indicators

See noise power density.

Abbreviation for key telephone system.

Keyboard, Video, and Mouse

A pad composed of two discrete components, one series component and one shunt component.
Note: In schematic representation, the components resemble the upper-case letter "L," hence the name.

Layer 2 Tunneling Protocol

1. An identifier within or attached to a set of data elements.
2. One or more characters that (a) are within or attached to a set of data elements and (b) represent information about the set, including its identification.
3. In communications, information within a message that is used to identify specific system parameters, such as the particular circuit with… (Read More →)

A computer or server that supplies content labels or Web-site ratings. Synonym rating server. [Bahorsky]