target has confirmed that its customers' pin data was also stolen. that's a turn-around from what the company said yesterday that there were no indications that pin data had been stolen. in a statement today, target said the data was strongly encrypted and, quote, the most important thing for our guests to know is that their debit card accounts have not been compromised. the ceo of trusted sec and a white hat hacker. how secure are those encryption numbers? >> well, the encryption itself is actually an industry grade standard. they use something called triple, which allows it to be protected. unfortunately the problem with pin numbers is they're only four characters. there are only about 10,000