Two Chinese nationals have been charged with spying inside the United States on behalf of Beijing, including by taking ...

Twenty state attorneys general are seeking to block the Trump administration from sharing personal health data with the ...

Former Secret Service agent discusses enhanced security protocols for Fourth of July celebrations across the country amid ...

Kilmar Abrego Garcia's lawyers said the Trump administration has made conflicting statements about whether he will be ...

Mandonna “Donna” Kashanian lived in the United States for 47 years, married a U.S. citizen and raised their daughter. She was ...

The Department of Homeland Security issued a terrorism alert regarding the possibility of retaliation attacks by Iran after ...

A new bulletin from DHS warns Americans of increased threats after U.S. strikes on Iran, and outlines what could happen next.

Sources told NBC News Iran sent a communication to President Trump last week, threatening to activate sleeper-cell terror ...

The United States is warning of a “heightened threat environment” after President Trump ordered strikes on three Iranian ...

The Department of Homeland Security issued an advisory June 22 warning Americans cyber attacks are likely, and violence in ...

Secretary Kristi Noem and the Department of Homeland Security announced $94 million in federal grants to over 500 ...