Terms starting with “Z”

An attack that exploits a previously unknown hardware, firmware, or software vulnerability.

To fill unused storage locations in an information system with a numeric value of zero.

A paper record printed by a voting machine at the time the polls are opened to demonstrate that the machine's counters for every office have been set to zero.

A form of produced in the form of a paper tape similar to an adding machine ZERO REPORT tape. See, e.g. Utah Admin. Rule §623-2-3(K). "No mark sense or direct recording electronic...

Zero Trust Security is based on the principle of "always verify." Instead of assuming that everything that happens on an organization's networks and systems is safe, the zero trust...

A computer-software vulnerability unknown to the manufacturer, typically used in targeted attacks

A counterintuitive protocol by which a party is able to prove that a statement is true without revealing any information about the statement except its truth. Zero-knowledge proofs...

A method of erasing electronically stored data, cryptographic keys, and credentials service providers (CSPs) by altering or deleting the contents of the data storage to prevent rec...

To remove or eliminate the key from a cryptographic equipment or fill device. Source: NSA/CSS Manual Number 3-16 (COMSEC)

A program that is installed on a system to cause it to attack other systems. (SP 800-83) (NISTIR)

Three dimensional space surrounding equipment that processes classified and/or controlled unclassified information (CUI) within which TEMPEST exploitation is not considered practic...