Alleged NSA backdoors in North Korea Network Inform Decision to Pin Sony Hack to Pyongyang Posted on January 21, 2015 by Alexander Perez-pons by Alexander Perez-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