Fraud Watch September 24, 2018

• Overall: 21.67% (down from 24.1% last week)

• US: 35.48% (down from 59.13%)

• KR: 23.19% (down from 22.01%)

Observations

• Global fraud fell to its lowest level, 21.67%, since we launched our Fraud Watch series.

• Junk installs are now the largest source of fraud globally. At 10.98% it now constitutes the majority of mobile ad fraud.

USA

US fraud rates continue to dip, although it remains nearly twice the global average. We observe 19.26% of all US installs are Poached Organic, nearly three times the global rate of 6.68%.

Korea

Although the uptick in fraud in Korea was minor (22.01% to 23.19%), the underlying fraud profile for the country shifted significantly. Poached organic installs fell nearly in half, from 17.39% to 10.34%, while phantom installs increased from 1.92% to 5.74%.