Also tracked as Operation Exchange Marauder, Silk Typhoon
HAFNIUM is a likely state-sponsored cyber espionage group operating out of China that has been active since at least January 2021. HAFNIUM primarily targets entities in the US across a number of industry sectors, including infectious disease researchers, law firms, higher education institutions, defense contractors, policy think tanks, and NGOs. HAFNIUM has targeted remote management tools and cloud software for intial access and has demonstrated an ability to quickly operationalize exploits for identified vulnerabilities in edge devices.
Derived from MITRE ATT&CK's own description text for this group — not a confirmed, exhaustive targeting assessment.
Shown when this actor's known techniques match your monitored environment.
Surfaced when a technique used by this actor maps to a tracked CISA KEV entry.
Derived from MITRE's own published description text, never asserted beyond it.
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Match this actor's known techniques against the technologies you run inside Seraph CTI, and get notified if their profile changes.
