On Thursday, a report from the Daily Beast alleged that the Guccifer 2.0 hacking persona—famous for leaking data stolen from the Democratic National Committee in 2016—has been linked to a GRU Russian intelligence agent. What appears to have given Guccifer away: The hacker once failed activate a VPN before logging into a social media account. This slip eventually allowed US investigators to link the persona to a Moscow IP address. In fact, they traced it directly to GRU headquarters.

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