One year after the attempted assassination of President Trump, experts suggest Thomas Matthew Crooks was likely seeking ...

TAMPA, Fla — Both the city of Tampa and Tampa Bay Water confirm federal law enforcement and security agencies told them there could be a cyber-attack on the water supply over the Fourth of July ...

DHS is urging law enforcement to treat even skateboarding and livestreaming as signs of violent intent during a protest, ...

Special events with high attendance and media coverage remain attractive targets for lone offenders and violent extremists ...

"We are enhancing security measures and coordinating intelligence-sharing to proactively address potential risks," a DHS ...

Former national security and defense officials say the threat should be taken seriously, even if it’s less likely than other forms of Iranian retaliation.

A recent advisory from the Department of Homeland Security (DHS) reinforces those concerns, warning of Iranian state actors and affiliated groups seeking to exploit unprotected networks and ...

Following the strikes, the Department of Homeland Security released a memo warning of a "heightened threat environment across the United States" due to the involvement of the U.S. in the conflict ...

The Department of Homeland Security has identified Las Vegas as one of the U.S. cities that could be targeted by pro-Iranian ...

The Department of Homeland Security is warning about what it calls a "heightened threat environment" in the U.S. That's amid fears Iran could retaliate for a U.S. attack on its nuclear facilities.