The commentors from the Dateline blog also make the point that using the Luhn formula ( available everywhere in the public domain ) it is relatively easy to guess legitimate credit card numbers under the current regime — a reality cited as a cause of ID theft in addition to, or comingled with, the theft of data.</ed.note>
<ed.note>I don’t know if you’ve had opportunity to see the "TO CATCH AN ID THIEF" episode of Dateline but it makes the case that the credit card networks are completely broken in terms of their ability to prevent ID theft. IRQ chat rooms exchange cracked and stolen data at a truly astounding rate – multiple country false charges to accounts to their limits in much less than five minutes. If you monitor the comments from the blog entry you’ll see that virtually no one is getting any effective cooperation from local police or FBI for prosecutions. Sandra Kay Miller, in Invasion of the Identity Snatchers, adds some other factors to the topic.