security

James A. Donald jamesd at echeque.com
Thu Oct 26 08:54:42 UTC 2006


     --
James A. Donald wrote:
 >> So on reflection, we do have to support multiple
 >> levels of security - but this creates problems, which
 >> must be solved.
 >>
 >> It is intolerable if this endangers the guy whose
 >> identity is
 >> https://www.bankamerica.com/finance/transactions/vp.htm

Martin Atkins wrote:
 > I can't think of any situation where one person's
 > unsecured identifier could compromise any other
 > identifier, secured or otherwise.

Assume that what is typed in is
www.bankamerica.com/finance/transactions/vp.htm

Because DNS has poisoned, https does not work.

Relying party  tries
http://www.bankamerica.com/finance/transactions/vp.htm

Gets bogus information.

As a result, the guy from bankamerica is logged in on an
account controlled by the adversary.

     --digsig
          James A. Donald
      6YeGpsZR+nOTh/cGwvITnSR3TdzclVpR0+pr3YYQdkG
      WJxl2IZgKu0DZFxtRYmMuK0rOfyDpto1LrYBKEZ3
      4Wu3MpZ/kLFtidf3eY9CuQWseRnrK6/Ijx843dxZU



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