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Target CIO resigns over data breach

The chief information officer at retail giant Target has resigned following a massive holiday-season data breach, which affected millions of customers.

The Minneapolis/St. Paul Business Journal reports Beth Jacob’s resignation is effective immediately and the company has already removed her biography from its website.

Target originally acknowledged the breach affected credit and debit card accounts for up to 40 million people between Nov. 27 and Dec. 15, 2013, Mashable reported in December. But the company later adjusted that figure to include 70 million customers who had information stolen.

“While we are still in the process of an ongoing investigation, we recognize that the information-security environment is evolving rapidly,” Target CEO Gregg Steinhafel told the Business Journal. “To ensure that Target is well positioned following the data breach we suffered last year, we are undertaking an overhaul of our information-security and compliance structure and practices at Target.”

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