Submission + - : NSA Hack of North Korea is How Obama Was Convinced NK Was Behind Sony Hack (nytimes.com)
Mike Lape writes: The evidence gathered by the “early warning radar” of software painstakingly hidden to monitor North Korea’s activities proved critical in persuading President Obama to accuse the government of Kim Jong-un of ordering the Sony attack, according to the officials and experts, who spoke on the condition of anonymity about the classified N.S.A. operation.