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BlackCat Ransomware Raises Ante After FBI Disruption

ID: 937ab7f1-c152-5d2a-ba5a-9a9e6dd63dba

STIX ID: report--937ab7f1-c152-5d2a-ba5a-9a9e6dd63dba

Feed Name: Krebs on Security

Threat Score
80/100

Date Published: 2023-12-19

Date Updated: 2026-04-19

Author: BrianKrebs

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The FBI and DOJ disrupted the Russia-linked ALPHV/BlackCat ransomware operation by seizing its darknet leak site and providing a decryption tool to help more than 500 victims recover systems; BlackCat, a ransomware-as-a-service criminal group responsible for attacks on over 1,000 organizations, briefly reclaimed its site and vowed to raise affiliate commissions and remove restrictions on attacking critical infrastructure, signaling potential escalation even as law enforcement continues remediation and outreach.

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