On Thu, 7 Oct 2010, Mike McLean wrote: >> I guess in a way it is like using the same password, but people might not be >> thinking of that when they have a "device" on them that they use. > > Wow, that's a serious weakness. Are we sure about this? http://www.yubico.com/files/Security_Evaluation_2009-09-09.pdf Section 5.2. Paul