you mentioned the one that a program is downloaded in the denial of service attack. like you said floods the internet. >> that's an old-fashioned thing, that's been going on for a long time. >> for at least a decade. there have been, like examples where people in protests have tampered with government websites. it's not necessarily new. it's highly publicized right now, because wikileaks, the whole subject is so tense. you mentioned the actual infrastructure of these credit card companies has not been affected. >> they're much more secure than -- master.com's website is a website like many companies' websites. but mastercard's payment systems and visa and paypal, that's a whole different level of security. >> that's a different thing going on. if you're flooding a website with traffic, you're basically shutting down the front end of it. nothing necessarily was damaged. but you're not able to access it. if you're that company it's a problem because they do do business over their website. they presumably lost business