Fraud accounts for 22% of yearly digital advertising expenditures, according to Juniper Research, resulting in losses of up to $84 billion for advertisers annually. Notice programs in the settlement context are not immune from this danger. Class counsel has a fiduciary duty to protect the best interests of the class, therefore protecting notice programs and the effectiveness of a digital advertising campaign is critical. Further, the recent tidal wave of suspicious claim filing may be connected to advertising (ad) fraud as well. Counsel would be remiss to brush aside concerns over ad fraud in favor of cheap digital notice campaigns. This article explores various risks to digital advertising from pixel stuffing and ad stacking to domain spoofing and bots. It will also explore what should be done to ensure ad fraud protection and improve effectiveness.