Information Assurance (ia)

Primary definition

Measures that protect and defend information and information systems by ensuring their availability, integrity, authentication, confidentiality, and non- repudiation. These measures include providing for restoration of information systems by incorporating protection, detection, and reaction capabilities. Note: DoDI 8500.01 has transitioned from the term information assurance (IA) to the term cybersecurity. This could potentially impact IA related terms.

Also known ascybersecurity · IA · information security · infosec · cyber assurance
2 sources cited4 related termsReviewed Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source

Understand more election terms clearly

Get one important election term explained each week, with authoritative sources, practical context and related definitions.

Free. One useful email each week. Unsubscribe anytime.Learn more about the ESG newsletter →
CNSSGC

Measures that protect and defend information and information systems by ensuring their availability, integrity, authentication, confidentiality, and non- repudiation. These measures include providing for restoration of information systems by incorporating protection, detection, and reaction capabilities. Note: DoDI 8500.01 has transitioned from the term information assurance (IA) to the term cybersecurity. This could potentially impact IA related terms.

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Information Assurance (ia). In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/information-assurance-ia

Sources

2 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

Multi-source

View source

Get the weekly election term

Receive one cited, source-backed election explanation in your inbox each week.

Get election terms explained weekly →
Free · Nonpartisan · Unsubscribe anytime.
Continue Research

Keep going from here

Three ways to go deeper on cybersecurity and adjacent terminology.