access control mechanism
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- In security, a hardware, software, or firmware feature, operating procedure, or management procedure that (a) permits authorized access to a system, such as a communications, computer, and data processing system, (b) prevents unauthorized access to the system, and (c) is considered to have failed when unauthorized access is permitted or when authorized access is prevented. [From Weik '96] 2. [A] Security safeguard designed to detect and deny unauthorized access and permit authorized access in an information system (IS). [INFOSEC-99]
ATIS - Cite This Source - This Definition - anti-spoof, controlled space, information systems security (INFOSEC and/or ISS), piggyback entry, Spoofing, two-person control, two-person integrity (TPI), Unauthorized Disclosure