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Wire · technology

Medusa ransomware tallies hundreds of new victims, says updated advisory on group's tactics

Published

19 August 2026

Topic

technology

Sectors

Cybersecurity

Geography

United States

Source

Read at cyberscoop.com

Verified

Fusion42 · 20 August 2026 · Fusion42 review

The U.S. government updated its advisory on the Medusa ransomware group, revealing its use of access brokers and exploitation of unpatched software vulnerabilities, leading to over 500 victims since early 2025, with a focus on health and public health sectors.

This Wire brief sits within Fusion42's coverage of Cybersecurity, and 8 sources have reported it between 18 Aug 2026 and 20 Aug 2026.

◆ The Wire takeaway

You must tighten patch management and vet access brokers carefully as Medusa’s paid partnerships amplify attack reach. Securing health and related sectors is urgent because opportunistic hackers pivot fast using new exploits before patches land.

Coverage

8 sources · first reported 18 Aug 2026 · latest 20 Aug 2026

Topics

Cybersecurityransomwarecybersecuritygovernment-advisoryhealth-sectorsoftware-vulnerabilities