Cybersecurity experts have given a detailed outline to the FBI about the hack attack against Sony Pictures, insisting it was not the work of North Korea but a group of current and former employees who shared a 'mutual hatred' for the company. While the FBI and Sony have announced they believe Pyongyang carried out the hack - claims that were denied by leader Kim Jong-un - independent security officials have been coming forward for the past week saying most of the evidence points to an inside job. Silicon Valley security firm Norse, which provides intelligence to companies to prevent their...