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

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

More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors.

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

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

The ToolShell bugs are being exploited by cybercriminals and APT groups alike, with the US on the receiving end of 13 percent ...

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

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

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 ...

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

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