The US Department of Homeland Security issues a new terrorism warning, saying that the forthcoming 20th anniversary of the 9/11 terror attacks on New York and Washington may spark “acts of targeted violence by domestic extremists.

In his first speech as US president, Joe Biden pledged to defeat political extremism and domestic terror.

The US Department of Homeland Security and thousands of businesses have been targeted by a sweeping hacking campaign that officials suspect was directed by the Russian government.

Former head of US election security censures Trump team's fraud allegations as 'farcical.'

These images are asylum seekers kept in cages at detention facilities at the United States’ southern border.

US Department of Homeland Security 'warns' American firms about 'potential risks' of using Chinese-made drones.

Immigration and Customs Enforcement (ICE) has detained a record number of people and more than its budget can cover, prompting questions about program transparency.