The Department of Homeland Security is warning of a heightened threat environment following U.S. strikes on Iranian nuclear ...

Issue: Whether the Supreme Court should stay a district court order preventing DHS from removing non-citizens to a country ...

The Department of Homeland Security has issued a National Terrorism Advisory System bulletin warning of increased ...

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

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

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

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

Homeland Security officials are warning Americans of heightened threats in the United States after the attacks on Iran. The Department of Homeland Security issued an advisory on June 22 saying ...

Lawmakers and locals are reacting after Saturday's strikes on nuclear facilities in Iran by the United States.

The U.S. Department of Homeland Security (DHS) warned over the weekend of escalating cyberattack risks by Iran-backed hacking groups and pro-Iranian hacktivists.

Ayotte's office said she plans to stay in close contact with the Department of Homeland Security, regardless of whether ...

Law enforcement agencies around the United States are now on high alert for potential acts of terrorism following the ...