John R. Schindler

Counterintelligence specialists suspect that the former secretary of state wasn’t the only member of the Obama administration emailing secrets around.

These weren’t just ordinary secrets found in Clinton’s private server, but some of the most classified material the U.S. government has.

As the Greeks move further away from the European Union and NATO, the Kremlin is poised to reap the benefits—with rumors swirling that Putin is already calling the shots.

It's tough enough to be an undercover spy in the age of the Internet. China's hack of American personnel files just made it much, much harder.

If you’ve ever held a security clearance with Uncle Sam, Chinese hackers now have all your personal info—and from debt to dirty money, they won’t be shy about causing mayhem with it.