1. A computer program product stored in a non-transitory computer readable medium that, when executing on one or more computers, performs the steps of: a. intercepting a website request from an end point; b. identifying at least one cookie present in said website request; c. analyzing a predetermined characteristic of said website request, said predetermined characteristic associated with said at least one cookie, wherein the step of analyzing includes detecting a monotonic growth in said at least one cookie; d. applying a rule corresponding to said predetermined characteristic of said cookie; and e. determining whether the website request is an anonymizing proxy website request based on an application of said rule.