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Microsoft says some SharePoint server hackers now use ransomware

By Raphael Satter

Jul 25 2025 6:18AM

Warns of group named "Storm-2603".

Microsoft says some SharePoint server hackers now use ransomware

A cyber-espionage campaign centred on vulnerable versions of Microsoft's server software now involves the deployment of ransomware, Microsoft said in a blog post. In the post, citing "expanded analysis and threat intelligence," Microsoft said a group it dubs "Storm-2603" is using the vulnerabilit...

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