Cybersecurity

Five Hackers Are Charged in Largest Data-Breach Scheme in U.S.

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Four Russians and a Ukrainian were charged in what prosecutors called the largest hacking scheme in U.S. history, a break-in to computers of retail chains that included 7-Eleven Inc. and Carrefour SA, the French retailer.

U.S. prosecutors in New York separately indicted one of the five men and another Russian in a hacking scheme that targeted the Nasdaq OMX Group Inc. and 800,000 bank accounts at Citigroup Inc. and PNC Financial Services Group Inc.