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Computer Security Resource Center

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information systems security (INFOSEC)

Abbreviation(s) and Synonym(s):

INFOSEC

Definition(s):

  The protection of information systems against unauthorized access to or modification of information, whether in storage, processing or transit, and against the denial of service to authorized users, including those measures necessary to detect, document, and counter such threats. See information assurance (IA).
Source(s):
CNSSI 4009-2015 from NSA/CSS Manual Number 3-16 (COMSEC)

  synonymous withIT Security.
Source(s):
NIST SP 800-16 under Information Systems Security