AdExchanger |Purch, publisher of LiveScience and TopTenReviews, added three layers of defense to its anti-fraud system in October. In addition to pre-screening for bots twice, Purch now detects bots, malware and ad quality in real time. "Better-quality traffic means higher ad performance and higher CPMs," said Purch CTO John Potter. "This is a trend. Demand sources... Continue reading »The post Purch Shores Up Defenses Against Bots, Bad Ads And Malware appeared first on AdExchanger.