malicious code protection mechanism
163592·updated Sep 1, 2026A category of security control — specifically, any technical tool, method, or combination thereof deployed at system entry/exit points and endpoints to detect, block, quarantine, or eradicate software or code intended to compromise a system. Such mechanisms include both signature- and nonsignature-based technologies; nonsignature-based detection includes artificial intelligence and heuristic techniques used to analyze the characteristics or behavior of malicious code, including cases where signatures do not yet exist or are ineffective. In compliance frameworks (NIST SP 800-53 SI-3, NIST SP 800-171, CMMC), the term functions as a collective label for the full suite of countermeasures an organization must deploy, configure, and keep current — employed at information system entry and exit points to detect and eradicate malicious code, updated whenever new releases are available, and configured to perform both periodic and real-time scans.
Source
malicious codethe sentence this term was read in
generalized from a web lookup of the quoted expression at proposal time Verdict: term of art.
- SI-3: Malicious Code Protection - CSF Tools
- SI-3 Malicious Code Protection | System and Information Integrity (SI) | Cybersecurity Controls Standards Catalog | Office of Information Security | Information Technology | Texas A&M University-Corpu
A definition generalized from search results is a draft to react to, not provenance. Confirm it against an authority document before this term is verified.
A web lookup ran when this term was proposed
A countermeasure capability — such as antivirus engines, signature-definition sets, heuristic/AI-based analyzers, reputation services, or software-integrity controls — deployed at system entry and exit points to detect, block, quarantine, or eradicate hostile software (viruses, worms, Trojans, spyware, logic bombs, and similar threats). Both signature-based and nonsignature-based technologies are covered by the term; nonsignature approaches include AI-driven heuristics that characterize malicious behavior for threats whose signatures do not yet exist. In authoritative frameworks (NIST SP 800-53 control SI-3, NIST SP 800-171, and CMMC), the term names a required, configurable, and continuously updated safeguard: organizations are expected to employ these mechanisms at information-system entry and exit points, update them as new releases become available, and configure them to perform both periodic and real-time scans. Because traditional mechanisms cannot always detect custom or polymorphic threats, complementary safeguards such as secure coding practices, configuration management, and trusted procurement are used alongside them.
Advisory only. A term this product ships is defined by an authority document, not by a search result.
Proposed during multiword review of this document in the CKI mapping queue.
Attested in
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- plural
- malicious code protection mechanisms
- possessive
- malicious code protection mechanism's
- pluralpossessive
- malicious code protection mechanisms'
Framework definitions
- §1 · attested_usage_reviewer_confirmed
- No definition is given in NIST SP 800-171r3. The term is attested in use at 6 citations in that document; a definition is pending curation.Increment 2: attested in 800-171r3 without a glossary definition.
- §1 · web_lookup_draft
- A category of security control — specifically, any technical tool, method, or combination thereof deployed at system entry/exit points and endpoints to detect, block, quarantine, or eradicate software or code intended to compromise a system. Such mechanisms include both signature- and nonsignature-based technologies; nonsignature-based detection includes artificial intelligence and heuristic techniques used to analyze the characteristics or behavior of malicious code, including cases where signatures do not yet exist or are ineffective. In compliance frameworks (NIST SP 800-53 SI-3, NIST SP 800-171, CMMC), the term functions as a collective label for the full suite of countermeasures an organization must deploy, configure, and keep current — employed at information system entry and exit points to detect and eradicate malicious code, updated whenever new releases are available, and configured to perform both periodic and real-time scans.DR-088 backfill from the noun definition column