>>Verbal repetition requires greater process coordination by the attacker. Cues such as hesitation, discomfort, etc., may also be present. Actually no... The

>>Verbal repetition requires greater process coordination by the attacker. Cues such as hesitation, discomfort, etc., may also be present. Actually no... The most effective Social Engineering attacks are ones with simulated chaos going on in the call, and simulated high emotions by the caller.. There is no evidence or actual theory making a person repeat the same number over and over again does anything about annoy legit callers This sounds very much like security policy created in the same manner of "everyone must change their passwords every 30 days" which we know now makes things LESS secure not more. >>The far more prevalent case is likely simply to guard against mis-keyed digits. Again your data input validation should be taking care of that before you ever reach the agent in the first place