4. The method of claim 3 , further comprising detecting that the second input is suspicious, wherein: generating the order of the plurality of scoring functions includes giving more weight to the first input than to the second input.
4. The method of claim 3 , further comprising detecting that the second input is suspicious, wherein: generating the order of the plurality of scoring functions includes giving more weight to the first input than to the second input. 5. The method of claim 4 , wherein detecting that an input is suspicious includes examining a history of inputs.