Primary definition
An undocumented way of gaining access to computer system. A backdoor is a potential security risk. Source: NIST SP 800-82 Rev 1
Also known astrapdoor · secret entry · hidden access · maintenance hook · easter egg
5 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
An undocumented way of gaining access to computer system. A backdoor is a potential security risk. Source: NIST SP 800-82 Rev 1
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Backdoor. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/backdoor
Sources
5 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
02
March 2020 CSC Report
March 2020 CSC Report
Multi-source
03
EAC Information Technology Terminology
EAC Information Technology Terminology
Multi-source
04
NICCS Glossary
NICCS Glossary
Multi-source
05
The Cyber Glossary
The Cyber Glossary
Multi-source
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