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![US_ShipOfState Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::986403517081505793.png) US Ship of State [@US_ShipOfState](/creator/twitter/US_ShipOfState) on x 89.6K followers
Created: 2025-07-24 15:13:22 UTC

Microsoft Corp. said a Chinese hacking group is exploiting security vulnerabilities in the company’s SharePoint servers to deploy ransomware, following a cyberattack discovered last week that has affected hundreds of entities around the world.

The group, which Microsoft has named Storm-2603, has a history of waging ransomware attacks, which use malicious software to lock down computers and render them inoperable. Ransomware groups usually then demand payment from their victims to unlock the computers.

Microsoft said in a blog post late Wednesday that it was “moderately confident” that Storm-2603 was a China-based threat actor. But the company said it was “unable to confidently assess the threat actor’s objectives.”



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US_ShipOfState Avatar US Ship of State @US_ShipOfState on x 89.6K followers Created: 2025-07-24 15:13:22 UTC

Microsoft Corp. said a Chinese hacking group is exploiting security vulnerabilities in the company’s SharePoint servers to deploy ransomware, following a cyberattack discovered last week that has affected hundreds of entities around the world.

The group, which Microsoft has named Storm-2603, has a history of waging ransomware attacks, which use malicious software to lock down computers and render them inoperable. Ransomware groups usually then demand payment from their victims to unlock the computers.

Microsoft said in a blog post late Wednesday that it was “moderately confident” that Storm-2603 was a China-based threat actor. But the company said it was “unable to confidently assess the threat actor’s objectives.”

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