Chart - Suspicious Display Ad Traffic Worldwide

Findings from ad verification solutions provider Integral Ad Science painted a much more optimistic picture of the state of ad fraud in H2 2013. The portion of exchange-based ads served that were flagged for suspicious activity fell from 20% in H1 2013 to 13% in H2 2013, and network-specific activity declined from 20% to 15%. Publisher-direct activity stayed the same at a mere 2%.
Read the rest at eMarketer.