North Korean Lazarus Group Adopts Medusa Ransomware in Global Attacks
Lazarus Group is now using Medusa ransomware in attacks on healthcare and social services, signaling a move toward profit-focused cybercrime.
ransomware
US Healthcare Diagnostic Firm Says 140,000 Affected by Data Breach
The Everest ransomware group has taken credit for a hacker attack on Vikor Scientific, now called Vanta Diagnostics.
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Japanese chip-testing toolmaker Advantest suffers ransomware attack
Japanese tech testing company Advantest has suffered a ransomware attack, the company confirmed last Thursday, after detecting unusual activity within its IT environment on February 15, 2026. What happened? Tokyo-based Advantest is a leading manufactur…
Mississippi Hospital System Closes All Clinics After Ransomware Attack
A ransomware attack forced the University of Mississippi Medical Center to close all of its roughly three dozen clinics around the state and cancel elective procedures.
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Japanese Semiconductor Supplier Hit by Ransomware, Multiple Systems Impacted
Feb. 20, 2026 – Advantest Corporation, a top supplier of semiconductor test equipment, revealed it is battling a ransomware attack that struck its network last weekend. The incident, detected on February 15 (JST), has disrupted multiple systems and rai…
BeyondTrust Vulnerability Exploited in Ransomware Attacks
CISA has updated its KEV entry for CVE-2026-1731 to alert organizations of exploitation in ransomware attacks.
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Chip Testing Giant Advantest Hit by Ransomware
The company is investigating whether any customer or employee data was stolen by hackers.
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Man Linked to Phobos Ransomware Arrested in Poland
Polish police said they found evidence of cybercrime on the 47-year-old suspect’s devices.
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Washington Hotel in Japan Hit by Ransomware Attack
Washington Hotel, a prominent hotel chain in Japan, has confirmed a ransomware attack that compromised several of its servers on February 13, 2026. The incident was detected at 10:00 PM when unauthorized access was identified on multiple servers, promp…
LockBit 5.0 ransomware expands its reach across Windows, Linux, and ESXi
The Acronis Threat Research Unit (TRU) has identified a new and significantly enhanced version of the LockBit ransomware, LockBit 5.0, currently being deployed in active campaigns. The latest variant demonstrates expanded cross-platform capabilities, e…