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Spoofing

nounid 4213·updated May 12, 2026
candidate

1. Faking the sending address of a transmission to gain illegal entry into a secure system. Impersonating, masquerading, piggybacking, and mimicking are forms of spoofing. 2. The deliberate inducement of a user or resource to take incorrect action.

polysemous

Attested in

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

Entity Type

Threat0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

85%llm-generatedllm:claude-haiku-4-5

Information Class

90%llm-generatedllm:claude-haiku-4-5

Variants

plural
Spoofings
possessive
Spoofing's
pluralpossessive
Spoofings'

Framework definitions

National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
§1 · extended_definition_available
Faking the sending address of a transmission to gain illegal [unauthorized] entry into a secure system.
ISACA Cybersecurity Glossary1 senseview framework →
§1
Faking the sending address of a transmission in order to gain illegal entry into a secure system
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
§1
A form of masquerading where a trusted IP address is used instead of the true IP address as a means of gaining access to a computer system.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 23 sensesview framework →
§1
“IP spoofing” refers to sending a network packet that appears to come from a source other than its actual source.
§2 · sense_2_pending_review
Involves— 1) the ability to receive a message by masquerading as the legitimate receiving destination, or 2) masquerading as the sending machine and sending a message to a destination.
§3 · sense_3_pending_review
1. Faking the sending address of a transmission to gain illegal entry into a secure system. Impersonating, masquerading, piggybacking, and mimicking are forms of spoofing. 2. The deliberate inducement of a user or resource to take incorrect action.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
1. Faking the sending address of a transmission to gain illegal entry into a secure system. Impersonating, masquerading, piggybacking, and mimicking are forms of spoofing. 2. The deliberate inducement of a user or resource to take incorrect action.
NIST SP 800-481 senseview framework →
§1
“IP spoofing” refers to sending a network packet that appears to come from a source other than its actual source.
FIPS PUB 1911 senseview framework →
§1
Involves— 1) the ability to receive a message by masquerading as the legitimate receiving destination, or 2) masquerading as the sending machine and sending a message to a destination.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
1. Faking the sending address of a transmission to gain illegal entry into a secure system. Impersonating, masquerading, piggybacking, and mimicking are forms of spoofing. 2. The deliberate inducement of a user or resource to take incorrect action.
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.