Target hit: hackers snag 40 million credit card accounts

US retail giant Target has confirmed that hackers gained access to payment card data that could mean 40 million credit and debit card accounts are at risk. An official statement says that the retailer is "aware of unauthorized access to payment card data that may have impacted certain guests making credit and debit card purchases in its U.S. stores" and is now working with law enforcement and financial institutions having "identified and resolved the issue".