N.Zingirian and M.Benini, University of Padova, Italy

This paper shows a vulnerability of the pay-per-click accounting of Google Ads to the attacks of a malicious single agent and proposes a statistical tradeoff-based approach to reduce this vulnerability. The contribution of this paper is a model to calculate the overhead cost per click necessary to protect the subscribers from click spam and a simple algorithm to implement this protection.

Pay-per-click Advertising, Google Ads, Web Advertising