About the group
Leviathan is a Chinese state-sponsored cyber espionage group that has been attributed to the Ministry of State Security's (MSS) Hainan State Security Department and an affiliated front company. Active since at least 2009, Leviathan has targeted the following sectors: academia, aerospace/aviation, biomedical, defense industrial base, government, healthcare, manufacturing, maritime, and transportation across the US, Canada, Australia, Europe, the Middle East, and Southeast Asia.
Attack chain
Plausible scenario built from the group's real techniques, ordered by the phases of an attack. Each step shows how the group typically operates.
Illustrative chain derived from techniques documented in MITRE ATT&CK — it does not represent a specific past attack. Severity summarizes the known arsenal (kill-chain coverage, actively exploited CVEs, techniques).
Techniques (MITRE ATT&CK) 50
How the group operates, mapped to the MITRE ATT&CK matrix and organized by the phases of an attack.
Exploited vulnerabilities 5
CVEs this group is known to exploit, per MITRE ATT&CK. Ordered by real-world severity.
References
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