Cybersecurity

Citigroup Says Hackers Caused $2.7 Million of Losses on Cards

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Citigroup Inc., the third-largest U.S. bank, said about 3,400 customers lost about $2.7 million when their credit-card information was breached by hackers earlier this year.

The customers will be reimbursed, Sean Kevelighan, a spokesman for the New York-based bank, said in a phone interview today. It’s the first public acknowledgement by Citigroup that the incident resulted in any financial losses.