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Emergence of Medusa Ransomware

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On March 12, 2025, the Cybersecurity and Infrastructure Security Agency (CISA), in collaboration with the Federal Bureau of Investigation (FBI) and the Multi-State Information Sharing and Analysis Center (MS-ISAC), issued a joint cybersecurity advisory on the growing threat of Medusa ransomware.  First detected in June 2021, Medusa operates under a ransomware-as-a-service (RaaS) model, allowing affiliates to deploy the ransomware while developers maintain control over critical operations such as…
By: Alston & Bird
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