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

A U.S. nuclear agency was among the victims of the SharePoint vulnerability chain, which was exploited to compromise over 54 ...

A recently discovered vulnerability in Microsoft server software has targeted over 90 state and local governments in the U.S.

A critical vulnerability in on-premise SharePoint servers allowed state-backed hackers to breach governments and institutions ...

The company has been called out repeatedly for inadequate security practices, and now we have another case in point: a ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an alert Sunday detailing active exploitation of a ...

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

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

The hackers behind the initial wave of attacks exploiting a zero-day in Microsoft SharePoint servers have so far primarily ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and ...

The U.S. National Nuclear Security Administration (NNSA), the agency responsible for maintaining Americas nuclear weapons ...

Governments, schools, healthcare providers and large enterprise firms are at risk, one cyber threat intelligence chief said.