17 Biggest Data Breaches of All Time

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10. American businesses

No. of records: 160 million
Year: 2012

This next data breach was generically titled “American businesses” simply because it involves a lot of companies: 7-Eleven, J C Penney Company Inc (NYSE:JCP), Hannaford, Heartland, JetBlue Airways Corporation (NASDAQ:JBLU), Dow Jones, Euronet, Visa Jordan, Global Payment, Diners Singapore, and Ingenicard. While the announcement about the breach came in 2012, it was actually an operation that spread over seven years. It was discovered that five Russians and a Ukrainian managed to hack their way into a massive trove of credit and debit card numbers – 160 million of them. They also targeted more than 800,000 bank accounts and broke into the servers of the Nasdaq stock exchange.

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