Attackers infected hundreds of on-premises SharePoint servers by exploiting the zero-day vulnerabilities now tracked as ToolShell, in some cases instigating attacks by ransomware operation Warlock .

Microsoft SharePoint has many fans these days, but Andre Koot isn’t among them. Koot, information security manager at the Unive Verzekeringen insurance company in the Netherlands, says implementing it ...

A security patch released by Microsoft earlier this month failed to fully fix a critical flaw in the U.S. tech company’s SharePoint server software that had been identified at a hacking competition in ...

Tech giant Microsoft on Tuesday said that three groups of China-based hackers were behind an ongoing cyberattack on its SharePoint file-sharing system. The Microsoft Security Response Center first ...

At least three China-backed threat groups were going after two of four newly disclosed SharePoint vulnerabilities on July 7, a day before Microsoft patched them and said there was no evidence of ...

Editor’s note: This is a guest analysis from Christopher Budd, who previously spent a decade at the Microsoft Security Response Center (MSRC). Emergency security teams know summer weekends are made ...

Microsoft is investigating whether vulnerability details shared via its Microsoft Active Protections Program (MAPP) were leaked and used by China-linked hackers to exploit SharePoint flaws.

Threat actors originally exploiting SharePoint server vulnerabilities for espionage are now launching full ransomware campaigns. Microsoft has identified Storm-2603, a known Chinese state-linked group ...

A new data-extortion group called Helix is using identity-focused tactics such as voice phishing (vishing), device code phishing, and multi-factor authentication (MFA) abuse to steal data from ...

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