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BlackMatter Ransomware Group No Longer Active, HC3 Says

Health IT Security

Jill McKeon

The Health Sector Cybersecurity Coordination Center (HC3) reduced the threat level of BlackMatter ransomware from “elevated” to “guarded.” A recent HC3 report found that BlackMatter, which was known to target the healthcare sector despite promising otherwise, had not claimed any cyberattacks since October 31, 2021.

BlackMatter was a Russian-speaking Ransomware-as-a-Service (RaaS) group based in Eastern Europe whose suspected predecessors were responsible for sophisticated cyberattacks including Colonial Pipeline and Kaseya. The group was first detected in July 2021.

In a September brief...

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