Malware

Malicious software

Malware includes viruses, worms, trojans, spyware, and ransomware. It is commonly delivered through phishing, drive by downloads, and exploited vulnerabilities.

Malware includes viruses, worms, trojans, spyware, and ransomware. It is commonly delivered through phishing, drive-by downloads, and exploited vulnerabilities.

MITRE ATT&CK (CTI STIX Data)

Bibliography

MITRE ATT&CK (CTI STIX Data)
Accessed Jan 03, 2026Quoted
MITRE ATT&CK CTI (STIX bundle)
https://raw.githubusercontent.com/mitre-attack/attack-stix-data/master/enterprise-attack/enterprise-attack.json
See repository LICENSE.txt for ATT&CK terms: non-exclusive royalty-free license; reproduce MITRE copyright + license in copies. Verify requirements before publishing quoted text.
Source: MITRE ATT&CK (attack-stix-data).

Sense 2

Software that compromises the operation of a system by performing an unauthorized function or process.

NICCS (CISA) Cybersecurity Vocabulary

Bibliography

NICCS (CISA) Cybersecurity Vocabulary
Accessed Jan 06, 2026Quoted
NICCS glossary export (CSV)
https://niccs.cisa.gov/rest/vocab/export-csv
NICCS 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).

(D)

A contraction of "malicious software". (See: malicious logic.) Deprecated Term: IDOCs SHOULD NOT use this term; it is not listed in most dictionaries and could confuse international readers.

A contraction of "malicious software". (See: malicious logic.)

Deprecated Term: IDOCs SHOULD NOT use this term; it is not listed in most dictionaries and could confuse international readers.

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.

Senses

Senses