13. The system of claim 11 , wherein: one or more of an auto-correct function and an auto-complete function is active on the user device during input of the credential; the auto-correct function suggests valid words in order to avoid misspellings; and the auto-complete function suggests likely words when sufficient parts have been input to make a predictable or near-predictable choice.
13. The system of claim 11 , wherein: one or more of an auto-correct function and an auto-complete function is active on the user device during input of the credential; the auto-correct function suggests valid words in order to avoid misspellings; and the auto-complete function suggests likely words when sufficient parts have been input to make a predictable or near-predictable choice. 14. The system of claim 13 , wherein: receiving input provided by the user further comprises tracking a number of characters typed by the user in conjunction with entering the credential; and authenticating the credential further comprises: determining a number of key strokes required to input at least one of the constituent words; and determining whether the user is pasting in the credential or whether the user device has undesirable auto-completion settings.