SharePoint users hit by Warlock ransomware, says Microsoft
Multiple organisations have now been hit by Warlock ransomware deployed on their systems via the dangerous ToolShell vulnerability chain in Microsoft SharePoint Server, Microsoft has revealed. Earlier this week, Microsoft said that known Chinese state threat actors, Linen Typhoon and Violet Typhoon, were among those exploiting two security bypass vulnerabilities – CVE-2025-53770, which bypasses a…
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