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

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

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

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft ...

An ongoing cyberattack campaign known as “ToolShell” is exploiting on-premises Microsoft SharePoint Servers and has ...

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

On July 20, 2025, Microsoft and the Cybersecurity and Infrastructure Security Agency (CISA) issued urgent warnings about new, actively ...

Microsoft’s security analysts confirm that a number of cyber attacks on on-premise SharePoint Server users involve ransomware ...

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

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

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

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