malicious logic
Hardware, firmware, or software that is intentionally included or inserted in a system to perform an unauthorized function or process that will have adverse impact on the confidentiality, integrity, or availability of an information system.
Senses
Sense 1
Hardware, firmware, or software that is intentionally included or inserted in a system to perform an unauthorized function or process that will have adverse impact on the confidentiality, integrity, or availability of an information system.
References
- NICCS (CISA) Cybersecurity VocabularyJan 06, 2026NICCS glossary export (CSV)https://niccs.cisa.gov/rest/vocab/export-csvNICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).
(I)
Hardware, firmware, or software that is intentionally included or inserted in a system for a harmful purpose. (See: logic bomb, Trojan horse, spyware, virus, worm. Compare: secondary definitions under "corruption", "incapacitation", "masquerade", and "misuse".)
References
- IETF RFC 4949 (Internet Security Glossary)Jan 06, 2026RFC 4949 — Internet Security Glossary (Version 2)https://www.rfc-editor.org/rfc/rfc4949.txtRFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.Source: IETF RFC 4949 (rfc-editor.org).