BlackSuit

Profile narrative

BlackSuit is a ransomware group that operates under the alias BlackSuit. The group is linked to Russian cybercrime operations and is believed to be based in Russia. BlackSuit conducts attacks that involve encrypting systems and demanding a ransom payment. The actor’s activity is consistent with financially motivated ransomware operations rather than espionage or pure disruption. Public reporting identifies BlackSuit as a criminal enterprise rather than a state‑sponsored actor.

BlackSuit has been observed targeting local government institutions in the United States. On July 9, 2024, the group attacked the Clay County Courthouse, encrypting systems and prompting the isolation of affected infrastructure. The attack led to the temporary closure of courthouse offices, court proceedings, and health department services, while emergency services such as the Sheriff’s Office and 911 dispatch remained operational. On July 1, 2024, BlackSuit gained unauthorized network access to Monroe County government, initiating a ransomware incident that required ongoing forensic analysis. In both incidents the group’s activity disrupted normal administrative functions and necessitated coordination with cybersecurity experts and federal authorities for recovery.

BlackSuit’s tactics involve deploying ransomware that encrypts files and renders systems unavailable. The Monroe County intrusion began with unauthorized network access, indicating the group exploits initial entry points to deploy its payload. Following encryption, the attacks resulted in the temporary suspension of services and required coordination with external responders for recovery. Despite the disruption, officials have reported that no confirmed data compromise or exfiltration has been identified in the Clay County and Monroe County attacks. The repeated targeting of nearby jurisdictions suggests BlackSuit continues to conduct ransomware attacks against vulnerable public sector networks.

Incidents

Attributed incidents are available to members.