Cybersecurity

Mystery JPMorgan Hacker Is in U.S. Hands. What Does He Know?

  • Georgia hands Tyurin to U.S., years after others were charged
  • Hacker is alleged to have worked for mastermind Gery Shalon
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The mystery figure behind what prosecutors call the biggest financial hack of all time is now in U.S. custody.

Andrei Tyurin, a Russian citizen who is alleged to have performed key cyber-work in a hack of JPMorgan Chase & Co. and about a dozen other companies, was extradited to New York on Friday from the republic of Georgia. It was the unlikely culmination of a years-long hunt by U.S. authorities, who had closely tracked a hacker they said led cyber breaches of financial firms that fed an array of activities including securities fraud, money laundering, credit-card fraud and fake pharmaceuticals.