The department is working on an effort to streamline a complex set of classified networks they use with allies and partners.

I called senior Pentagon officials twice and raised the issue with staff at the National Security Council. I noted it was ...

Senators are set to meet with top national security officials Thursday as some lawmakers question President Donald Trump's decision to bomb three Iranian nuclear sites and whether those strikes were ...

The calls included one with hundreds of state and local law enforcement officials from around the country and another with state governors and their staff.

After the targeted attack on Iranian nuclear sites, the Trump administration warns of the threat of terrorist sleeper cells ...

Iran-developed application, Bale Messenger was found to lack end-to-end encryption and share users' sensitive data with the ...

President Donald Trump on Friday signed an executive order paving the way for a Nippon Steel investment in U.S. Steel, so long as the Japanese company complies with a “national security ...