Alleged NSA backdoors in North Korea Network Inform Decision to Pin Sony Hack to Pyongyang Posted on January 21, 2015 by Alex Pons by Alex Pons The National Security Agency apparently knows with absolute certainty that North Korea was behind the recent Sony Pictures hacking, it has now emerged. Post navigation Why You Must Hacker-Proof Your Employees: Creating a Secure Corporate CultureLayered security doesn’t accomplish much unless it’s triggers are appropriate and effective