One of the most active and notorious data-stealing ransomware groups, Maze, says it is “officially closed.” The announcement came as a waffling statement, riddled with spelling mistakes, and published on its website on the dark web, which for the past year has published vast troves of stolen internal documents and files from the companies it targeted, including Cognizant, cybersecurity insurance firm Chubb, pharmaceutical giant ExecuPharm, Tesla and SpaceX parts supplier Visser, and defense contractor Kimchuk. Where typical ransomware groups would infect a victim with file-encrypting malware and hold the files for a ransom, Maze gained its notoriety for first exfiltrating a victim’s data and threatening to publish the stolen files unless the ransom was paid.

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