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

Microsoft said the company has been "coordinating closely with CISA, DOD Cyber Defense Command, and key cybersecurity ...

A newly disclosed DHS memo outlines how a months-long breach by suspected Chinese hackers could jeopardize cybersecurity ...

Chinese hackers stole network diagrams, credentials, and personnel data in a breach that poses a threat to critical ...

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 ...

A confidential memo from the Department of Homeland Security (DHS) reveals that a U.S. state's Army National Guard’s computer network was infiltrated by a ...

A cyber-espionage campaign centered on vulnerable versions of Microsoft's server software now involves the deployment of ...

Just days after the United States bombed Iran's nuclear sites in June, a cyber attack targeted Arizona. "After the bombing ...

Going forward, all U.S. forces must now assume their networks are compromised and will be degraded,” a former Air National ...

Hackers exploited a major security flaw in widely used Microsoft server software to launch a global attack on government ...

A Chinese cyberespionage group dubbed 'Salt Typhoon' has breached a U.S. state's Army National Guard network, exfiltrating ...

Arizona officials have “moderate confidence” that the Iranian government or affiliates breached the state’s candidate web ...