Donald Trump's use of non-secure Signal messaging app when discussing an attack on Yemen was a major breach of security ...

Defense Secretary Pete Hegseth reportedly directed a desktop computer in his Pentagon office be installed with the messaging ...

The Pentagon set up a system in Defense Secretary Pete Hegseth's office that enabled him to check messages on the encrypted ...

President Donald Trump has taken immediate action to secure the U.S.-Mexico border, but some wonder if it is sustainable.