After a hacker broke into the Arizona Secretary of State’s election website, the state’s U.S. senators are asking the U.S.

Here’s the text of a memo obtained by The New Republic, written by Philip Hegseth, senior adviser to Homeland Security Secretary Kristi Noem and DHS liason to the Department of Defense.

IndyCar pushes back on Department of Homeland Security's AI-generated imagery for 'Speedway Slammer' The DHS used an AI-generated image of an IndyCar to tout its new immigration detention facility ...

The Department of Homeland Security issued a terrorism alert regarding the possibility of retaliation attacks by Iran after the U.S. military launched successful airstrikes on Tehran's nuclear ...

In comparison, the Department of Homeland Security website logged about "228,700 cyber incidents" during the last fiscal year, a DHS official told ABCNews.com, which averages out to about 626 a ...