Microsoft has released security patches for the zero-day vulnerability chain dubbed ToolShell, capable of remote code ...

A China-based hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks ...

More details emerged on the ToolShell zero-day attacks targeting SharePoint servers, but confusion remains over the ...

Microsoft has observed three China-based threat actors, Linen Typhoon, Violet Typhoon and Storm-2603, exploiting the ...

ESET Research has been monitoring intense attacks involving the recently discovered ToolShell zero-day vulnerabilities.

If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive.

Microsoft says the Chinese threat actors Linen Typhoon, Violet Typhoon, and Storm-2603 have been exploiting the ToolShell ...

The name was coined by Dinh Ho Anh, a researcher from Khoa of Viettel Cyber Security, who developed the exploit. The ...

Kaspersky GReAT researchers analyzed the published ToolShell exploit and found it alarmingly similar to the 2020 ...

Major cyberattacks in 2025 so far have included the Microsoft SharePoint Server “ToolShell” attacks, the ransomware attack ...

Hackers have been exploiting two zero-day vulnerabilities in on-premises installations of Microsoft SharePoint to gain remote ...

Some administrators who logged in last week found their on-premises Microsoft SharePoint servers silently uploading web ...