blackshadow
RansomwareAlso known as:AMERICIUMAgonizing SerpensAgriusDEV-0022SPECTRAL KITTENUNC2428
About the group
BlackShadow is an Iranian-linked hack-and-leak group (linked to the Agrius APT) that targeted Israeli companies including insurance firm Shirbit and hosting provider Cyberserve, leaking medical records of 290,000 patients, using extortion as a tool of geopolitical disruption rather than purely for financial gain.
Exploited vulnerabilities
No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.
References
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