摘要 |
Methods and apparatus are provided for defending against telephone-based robotic attacks An interactive voice response method is provided for presenting a menu having one or more menu options to a caller. The method comprises the steps of obtaining a script to present to the caller, the script including the one or more menu options; permuting one or more characteristics of at least one of the one or more menu options; and presenting the permuted menu to the caller. The permutation may comprise, for example, adding one or more additional menu options to the menu; varying a selection number associated with the at least one menu option; varying an order of at least a plurality of the menu options; or varying a wording or pronunciation of one or more menu options.
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