unauthorized access
nounid
4542·updated May 9, 2026verified
Access to information or system components that ( a ) has not been approved by a person designated to do so by management and ( b ) compromises segregation of duties, confidentiality commitments, or otherwise increases risks to the information or system components beyond the levels approved by management (that is, access is inappropriate).
polysemousMWE
Attested in
NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems
03.01.06.b ¶ 103.01.12.d ¶ 103.03.08.a3.2.2 ¶ 783.2.2 ¶ 1373.2.2 ¶ 167
Classifications
Entity Type
Event92%llm-generatedllm:claude-haiku-4-5
Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
Information Class
unclassified
Variants
- synonym
- unauthorised access
- plural
- unauthorized accesses
- possessive
- unauthorized access's
- pluralpossessive
- unauthorized accesses'
Framework definitions
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
- §1
- Any access that violates the stated security policy.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §2 · sense_2_pending_review
- Any access that violates the stated security policy.
- §1
- Any access that violates the stated security policy.
- §1
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.
- §1 · attested_usage_pack_match
- 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 · glossary
- Access to information or system components that ( a ) has not been approved by a person designated to do so by management and ( b ) compromises segregation of duties, confidentiality commitments, or otherwise increases risks to the information or system components beyond the levels approved by management (that is, access is inappropriate).Attribution from the CKI glossary mapping stage (glossary)
- §1 · legacy_primary
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.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
No incoming triples
No other term currently asserts a relationship to this one.