Those hackers who stole information from Target probably stole more than that. As per an article from yahoo and Reuters bank PIN’s were stolen too. Please read the article: news.yahoo.com

BOSTON/NEW YORK (Reuters) - The hackers who attacked Target Corp and compromised up to 40 million credit cards and debit cards also managed to steal encrypted personal identification numbers (PINs), according to a senior payments executive familiar with the situation.

One major U.S. bank fears that the thieves would be able to crack the encryption code and make fraudulent withdrawals from consumer bank accounts, said the executive, who spoke on the condition of anonymity because the data breach is still under investigation.