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 ...

"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 ...

Former DHS chief warns of Iranian sleeper cells after U.S. strikes, calling it a “highest magnitude" threat and urging the public to stay vigilant.

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 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.