The Latest Breaking News from National Security

Three Iranian men appeared in a London court Saturday charged with spying for Iran's intelligence services, as the UK interior ministry said they had arrived "by irregular means including small boats".

Met police say the three charged under National Security Act for allegedly assisting Iranian foreign intelligence service

They will appear in court on Saturday morning.

The three men have been remanded in custody

Federal magistrate judges in New Mexico have started dismissing military-base trespassing charges against immigrants who cross the southern U.S. border through a newly designated national defense zone

Reports that prominent American national security officials used a freely available encrypted messaging app, coupled with the rise of authoritarian policies around the world, have led to a surge in interest in encrypted apps like Signal and WhatsApp. These apps prevent anyone, including the government and the app companies themselves,…

In its annual report, Latvia’s security services said Russian intelligence and security services pose the "main threat" to its national security.

Look closely at your mobile phone or tablet. Touch-screen technology, speech recognition, digital sound recording and the internet were all developed using funding from the U.S. National Science Foundation.

Several hundred immigrants have been charged with unauthorized access to a newly designated militarized zone along the southern U.S. border in New Mexico and Western Texas since the Department of Justice introduced the new approach