On Fri, 20 Feb 2009 02:36:17 +1300 pgut...@cs.auckland.ac.nz (Peter Gutmann) wrote:
> There are a variety of password cost-estimation surveys floating > around that put the cost of password resets at $100-200 per user per > year, depending on which survey you use (Gartner says so, it must be > true). > > You can get OTP tokens as little as $5. Barely anyone uses them. > > Can anyone explain why, if the cost of password resets is so high, > banks and the like don't want to spend $5 (plus one-off background > infrastructure costs and whatnot) on a token like this? > Because then you need PIN resets, lost token handling, and "my token doesn't work and I'm on a trip and my boss will kill me if I don't get this done" resets. I've personally had to deal with two of the three, and it was just as insecure as password resets.... --Steve Bellovin, http://www.cs.columbia.edu/~smb --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to majord...@metzdowd.com