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: NSA/CSS Manual Number 3-16 (COMSEC)
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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: NSA/CSS Manual Number 3-16 (COMSEC)
Cite this term
Election Security Glossary. (2026). Information Systems Security (infosec). In Election Security Glossary. Retrieved August 14, 2026, from https://electionsecurityglossary.com/glossary/information-systems-security-infosec
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