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Unit 42 saw 4L4MD4R being deployed via ToolShell The crooks are asking for $500 worth of Bitcoin ToolShell is a Microsoft SharePoint Server bug patched in late July The risk for businesses who haven’t ...

China-based threat actor Storm-2603 has been observed attacking on-premises SharePoint customers with Warlock ransomware. That comes from Microsoft, which on June 23 updated a blog post published the ...

A Chinese-based threat actor has been observed using the flaws in Microsoft SharePoint to deploy ransomware on compromised systems. In an incident update on July 23, Microsoft revealed that a group ...

LONDON, July 22 (Reuters) - A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech giant's SharePoint server software, opening the ...

One of Microsoft’s recent SharePoint patches, released on July 18, failed to fully mitigate the security vulnerabilities it was designed to prevent, prompting the company to issue additional fixes. A ...

July 22 (Reuters) - U.S. National Nuclear Security Administration was among those breached by a hack of Microsoft's (MSFT.O), opens new tab SharePoint document management software, Bloomberg News ...

Microsoft has revealed that Chinese state threat actors are actively targeting and exploiting a highly dangerous zero-day vulnerability in SharePoint Server, confirming earlier reports from Google ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Every security team’s nightmare came true over the weekend: a ...

Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...