A top security researcher claims the massive SharePoint zero-day attack was fueled by a leak from a Microsoft partner program ...

Chinese-linked hackers breached several U.S. government agencies, including the Department of Homeland Security and the Department of Health and Human Services, by exploiting a vulnerability in ...

Microsoft has confirmed that vulnerabilities in its on-premises SharePoint Server installations, a network spoofing vulnerability (CVE-202549706), ...

It's not just data theft. A China-based hacking group is using a flaw in vulnerable SharePoint servers to deliver ransomware, ...

Department of Homeland Security headquarters, several of its agencies and the Department of Health and Human Services have ...

Hackers are actively exploiting a critical SharePoint zero-day (CVE-2025-53770), hitting 400+ firms and institutions like the ...

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

The company says several Chinese state-aligned groups have exploited the zero-day vulnerability disclosed on Saturday.

The zero-day vulnerability — which was first disclosed late Saturday — has been exploited by several Chinese state-aligned ...

Waves of cyberattacks are hitting a commonly used Microsoft product, compromising dozens of organisations around the world.

This Alert was updated to reflect newly released information from Microsoft, and to correct the actively exploited Common ...