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A comment on AmEx: "We discourage the use of special characters because...". Parent comment

Re:AmEx: "We discourage the use of special characters becaus... by ghshephard on Sunday February 07, 2010 @07:32PM (#1108570)
Well, to be pedantic, the best defence to a keylogger attack is a two-factor system. (RSA Fob, Smart Cards, and the like)
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Re:AmEx: "We discourage the use of special characters becaus... by ErrantX on Sunday February 07, 2010 @08:04PM (#1108614)
Well yes you would generate the number those ways. The keylogger defence is actually in the random subset of numbers asked for. It completely destroys any attack it could make by never giving it a single complete picture :-)
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