Quote:
Originally Posted by Solicitous
No it doesn't but given you could take a copy of the DRM-epub, one could by already knowing your name just do a brute-force attack on the file and eventually come up with a number. Thing is everyone knows how many digits are required for a valid CC No.
Its not like the file has an inbuilt authentication system where x-no. of failed attempts locks you out.
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There are much better ways to get a valid CC number than brute-forcing an eBook. Anyone wanting to commit identity theft isn't exactly looking for
your information, they are looking for
someone's information. So they are looking for the easiest way to get a CC# and other information.
Knowledge here about the encryption doesn't lead to a better brute-force attack either, and they'll be missing information most sellers ask for, like billing address, CVV # and expiration date of the card (with the last two being the deal killer, usually). Phishing and attacks on corporate databases are a lot more fruitful for less or equal effort.