malicious code
nounid
3203·updated Aug 28, 2026verified
Software or firmware intended to perform an unauthorized process that will have an adverse impact on the confidentiality, integrity, or availability of a system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.
MWE
Attested in
NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems
03.01.07.b ¶ 103.01.18.c ¶ 103.07.04.b03.07.04.c ¶ 103.07.04.c ¶ 203.08.07.b ¶ 203.13.01.c ¶ 103.14.0203.14.02.a03.14.02.b03.14.02.c03.14.02.c.203.14.02.c.2 ¶ 103.14.02.c.2 ¶ 103.14.02.c.2 ¶ 203.14.02.c.2 ¶ 203.14.02.c.2 ¶ 303.14.06.c ¶ 203.14.06.c ¶ 43.2.2 ¶ 913.2.2 ¶ 92
Classifications
Entity Type
Threat0%rule-basedmulti_axis_classifier_low_confidence.v1
Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
Information Class
unclassified
Variants
- synonym
- software threat
- plural
- malicious codes
- possessive
- malicious code's
- pluralpossessive
- malicious codes'
Framework definitions
- §1
- Software (e.g., Trojan horse) that appears to perform a useful or desirable function, but actually gains unauthorized access to system resources or tricks a user into executing other malicious logic.
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
- §1 · extended_definition_available
- Program code intended to perform an unauthorized function or process that will have adverse impact on the confidentiality, integrity, or availability of an information system.
- §1
- Software or firmware designed to infiltrate or damage a computer system without the owner's knowledge or consent, with the intent of compromising the confidentiality, integrity, or availability of the owner’s data, applications, or operating system. Such software typically enters a network during many business-approved activities, which results in the exploitation of system vulnerabilities. Examples include viruses, worms, Trojans (or Trojan horses), spyware, adware, and rootkits.
- §1
- Software or firmware designed to infiltrate or damage a computer system without the owner's knowledge or consent, with the intent of compromising the confidentiality, integrity, or availability of the owner’s data, applications, or operating system. Such software typically enters a network during many business-approved activities, which results in the exploitation of system vulnerabilities. Examples include viruses, worms, Trojans (or Trojan horses), spyware, adware, and rootkits.
- §1
- Software or firmware designed to infiltrate or damage a computer system without the owner's knowledge or consent, with the intent of compromising the confidentiality, integrity, or availability of the owner’s data, applications, or operating system. Such software typically enters a network during many business-approved activities, which results in the exploitation of system vulnerabilities. Examples include viruses, worms, Trojans (or Trojan horses), spyware, adware, and rootkits.
- §1
- Software or firmware intended to perform an unauthorized process that will have adverse impact on the confidentiality, integrity, or availability of an information system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.
- §1
- Software or firmware intended to perform an unauthorized process that will have adverse impact on the confidentiality, integrity, or availability of an information system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.
- §1
- Software or firmware intended to perform an unauthorized process that will have adverse impact on the confidentiality, integrity, or availability of an information system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.
- §1 · glossary
- Software or firmware intended to perform an unauthorized process that will have an adverse impact on the confidentiality, integrity, or availability of a system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.Attribution from the CKI glossary mapping stage (glossary)
- §1 · glossary
- Software or firmware intended to perform an unauthorized process that will have an adverse impact on the confidentiality, integrity, or availability of a system. Examples of malicious code include viruses, worms, Trojan horses, spyware, some forms of adware, or other code-based entities that infect a host.Attribution from the CKI glossary mapping stage (glossary)
- §1 · legacy_primary
- Software or firmware intended to perform an unauthorized process that will have adverse impact on the confidentiality, integrity, or availability of an information system. A virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malicious code.DR-088 backfill from the noun definition column
Outgoing relationships
No outgoing triples
This term is not the subject of any RDF-style relationship yet.
Incoming relationships
- related
- ←malicious logicnoun
- ←malicious appletnoun