Definition(s)
Access Control Mechanism
Security measures designed to detect and deny unauthorized access and permit authorized access to an information system or a physical facility.
Adapted from: CNSSI 4009
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards