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Backdoor

nounid 1637·updated May 9, 2026
candidate

An undocumented way of gaining access to a computer system. A backdoor is a potential security risk.

Classifications

Entity Type

Vulnerability92%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

alternatephrasing
Back door
plural
Back doorsBackdoors
possessive
Back door'sBackdoor's
pluralpossessive
Back doors'Backdoors'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
A backdoor is a tool installed after a compromise to give an attacker easier access to the compromised system around any security mechanisms that are in place.
ISACA Cybersecurity Glossary1 senseview framework →
§1
A means of regaining access to a compromised system by installing software or configuring existing software to enable remote access under attacker-defined conditions
NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
An undocumented way of gaining access to a computer system. A backdoor is a potential security risk.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
Typically unauthorized hidden software or hardware mechanism used to circumvent security controls.
NIST SP 800-821 senseview framework →
§1
An undocumented way of gaining access to a computer system. A backdoor is a potential security risk.

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.