Report states that North Korean hackers stole a huge trove of classified U.S. and South Korean military documents last year.
A video shows the estranged half brother of North Korea's leader being attacked at a Malaysian airport and the two suspects hurrying away afterward.
In 2015, Israeli government hackers saw something suspicious in the computers of a Moscow-based cybersecurity firm: hacking tools that could only have come from the National Security Agency.
FBI official: "This is a signal that North Korea is a player in the cyber-intrusion field and it is growing in its ability to hurt us."
Thanks to the lone wolf shootings in Las Vegas, Americans will need to accept heightened security measures when checking in to any hotel.
More than two months after making John F. Kelly his chief of staff, President Trump is not close to nominating a replacement to head the Department of Homeland Security.
Benghazi: Under unusual security measures, two CIA witnesses will testify under pseudonyms in a courtroom closed to nearly everyone but the defendant.
Active shooter drills: If people decide to stay instead of flee, leave them – it could mean the difference between getting out and getting shot.
A report by the DHS's Office of the Inspector General (OIG) claims that Customs and Border Protection (CBP) wasted millions of dollars putting unqualified applicants through polygraph testing.