A series of criminal cases took aim at individuals seeking to help China, Russia and Iran gain access to sensitive U.S. tech.

Santa Clara County Deputy District Attorney Erin West's "Operation Shamrock" isn't relying on luck to take down the worst criminals.

TikTok's general counsel said Friday the company hasn't heard from the Biden administration since CEO Shou Zi Chew appeared before Congress.

Section 702 of the Foreign Intelligence Surveillance Act, which expires in December, is in perhaps its most precarious position yet.

The bureau is working to gain additional information about the reported cyberattack.

The arrest comes as the U.S. ramps up efforts to crack down on attempts by cybercriminals to use cryptocurrency to evade sanctions.