Hacker
nounverified·updated May 9, 2026
Unauthorized user who attempts to or gains access to an information system.
polysemousNISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Senses
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon
An unauthorized user who attempts to or gains access to an information system.
ISACA Cybersecurity Glossary
An individual who attempts to gain unauthorized access to a computer system
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary
An individual who attempts to break into a computer without authorization.
Systems and software engineering —Vocabulary
Technically sophisticated computer enthusiast who uses his or her knowledge and means to gain unauthorized access to protected resources.
Wordset Dictionary
one who works hard at boring tasks
Wordset Dictionary
a programmer for whom computing is its own reward
Wordset Dictionary
someone who plays golf poorly
Wordset Dictionary
a programmer who breaks into computer systems in order to steal, change, or destroy information as a form of cyber-terrorism
Classifications
Entity Type
Threat92%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- cyberpunkhack
- plural
- Hackers
- possessive
- Hacker's
- pluralpossessive
- Hackers'