this post was submitted on 20 Sep 2023
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graybeard
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In this same vein, I used to work as tech support for a bank that had a key fob token rotator for 2fa. The implementation was you put the token in the password field after the password.
The website did not tell you it truncated after 8 characters. There was also no real indicator that the actual activation of the token was the first attempted use after it was received.
Many customers had passwords longer than 8 characters (or so they thought) and tokens that never activated because the longer password resulted in the token being truncated as well.