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The data breach at Target (TGT) was approximately double what the company originally reported: The retailer said Friday that between 70 million and 110 million customers had their credit and debit card data stolen including personal information such as their name, address, phone number, e-mail address and even pin numbers  hacked in the breach.  Originally it was reported that as many as 40 million customers were affected.  Additionally, Target warned that personal data stolen could affect past customers, not only those who shopped in stores during the actual breach

The data breach, which ran from Nov. 27 to Dec. 15, involved malicious software installed in the systems where cards are swiped at cash registers. Sales were better than expected until the breach was announced at which point, sales dropped between 2% and 6% despite offering storewide discounts to lure customers back.

Gregg Steinhafel, Target’s CEO apologized saying "I know that it is frustrating for our guests to learn that this information was taken and we are truly sorry they are having to endure this." Target added that consumers will not be liable for any fraudulent charges arising from the breach.

Target added that consumers will have "zero liability" for the costs of any fraudulent charges arising from the breach.

John Mulligan, Target’s CFO, said the company's priority was now "taking care of our guests and helping them feel confident in shopping at Target." He added that the retailer is "disappointed" in its 2013 performance - the retailer lowered its outlook for the fourth quarter, projecting adjusted per-share earnings in its U.S. segment of $1.20 to $1.30, down from the prior guidance of $1.50 to $1.60.

Target also announced it will close 8 U.S. stores within 3 months due to poor financial performance.