TERM

advanced persistent threat

An adversary that possesses sophisticated levels of expertise and significant resources which allow it to create opportunities to achieve its objectives by using multiple attack vectors (e.g., cyber, physical, and deception).

Updated

Jan 06, 2026

Senses

Sense 1

An adversary that possesses sophisticated levels of expertise and significant resources which allow it to create opportunities to achieve its objectives by using multiple attack vectors (e.g., cyber, physical, and deception).

NICCS (CISA) Cybersecurity Vocabulary

Bibliography

NICCS (CISA) Cybersecurity Vocabulary
Accessed Jan 06, 2026Quoted
NICCS glossary export (CSV)
https://niccs.cisa.gov/rest/vocab/export-csv
NICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.
Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).