The company said state-backed hacking groups were breaching systems through flaws in SharePoint, which is used by the U.S.

The number of companies and organizations compromised by a security vulnerability in Microsoft Corp.’s SharePoint servers is ...

Though the vulnerability was first identified in May, it's taken more than two months for Microsoft to issue an effective fix.

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

A critical SharePoint zero-day (CVE-2025-53770) has been used to breach 400 firms, including the US nuclear agency. Microsoft ...

One of the hacked organizations reportedly includes the U.S. agency responsible for maintaining the country's stockpile of ...

Researchers at Netherlands-based Eye Security said that there have been nearly 400 victims of hacking related to vulnerabilities in Microsoft (MSFT) software SharePoint.

The SharePoint vulnerabilities that Microsoft released emergency patches for earlier this week – tracked as CVE-2025-53770 ...

The Department of Energy, which oversees the agency that manages the US nuclear weapons stockpile, confirms it was affected ...

Unknown threat actors have reportedly breached the National Nuclear Security Administration's (NNSA) network in attacks ...

Unknown threat actors have breached the National Nuclear Security Administration's network in attacks exploiting a recently ...

A series of cyberattacks targeting Microsoft collaboration software, specifically SharePoint, have been linked to Chinese ...