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Backdoor

nouncandidate·updated May 9, 2026

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

Framework senses

SANS Glossary of Security Terms1 senseview framework →
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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 →
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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 →
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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 →
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Typically unauthorized hidden software or hardware mechanism used to circumvent security controls.
NIST SP 800-821 senseview framework →
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An undocumented way of gaining access to a computer system. A backdoor is a potential security risk.