An advanced persistent threat (APT) is a stealthy cybersecurity threat typically orchestrated by a state or state-sponsored group.
Notes on verification
Definition matches Wikipedia and is corroborated by CISA/NIST, Palo Alto Networks, Splunk, and an academic survey, all converging on stealth and state/state-sponsored origin as typical characteristics.
Sources
- Advanced persistent threat (en.wikipedia.org)
- https://www.cisa.gov/resources-tools/resources/project-upskill-glossary (cisa.gov)
- https://www.paloaltonetworks.com/cyberpedia/what-is-advanced-persistent-threat-apt (paloaltonetworks.com)
- https://www.splunk.com/en_us/blog/learn/apts-advanced-persistent-threats.html (splunk.com)
- https://arxiv.org/pdf/2409.11415 (arxiv.org)