FBI director James Comey has confirmed the agency’s conviction that a destructive cyber attack on Sony Pictures was carried out by North Korea, claiming that mistakes by the hackers led the trail back to IP addresses used “exclusively” by the hermit nation.
Speaking at a cybersecurity conference at New York’s Fordham Law School on Wednesday, the FBI boss revealed a few more details about the case, which the authorities have been pretty tight-lipped about up until now.
“In nearly every case, [the attackers] used proxy servers to disguise where they were coming from in sending these emails and posting these statements. But several times they got sloppy,” Comey said, according to Wired.
“Several times, either because they forgot or because of a technical problem, they connected directly and we could see that the IPs they were using … were exclusively used by the North Koreans.”
Adding weight to his theory is the fact that, once they realized their mistake, the attackers quickly “shut it off,” he added.
The FBI’s conclusions have also been deduced from evidence provided by its “behavioral analysis unit.”
This team apparently determined psychological matches between the pronouncements and actions of the so-called ‘Guardians of Peace’ group who claimed responsibility for the attack and North Korean operatives.
Comey’s remarks add a little more substance to the FBI’s assertion that Pyongyang was behind the attack.
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