Bots and spiders or other crawlers masquerading as legitimate users

A browser, server or app that makes page load calls automatically without declaring themselves as a robot, instead declaring a valid regular browser or app user agent where there is no real human user.'

Classification	Sophisticated Invalid Traffic
TrafficGuard Indicators	Behavioural anomaly detection - monitoring events (including post-install) that occur on mass. Bots follow programmed patterns. Irrational engagements e.g. - SDK says an IAP has occurred, but the Advertiser doesn't report a legitimate purchase
Rejection Codes	score_ip_global
score_device_global
known_hosts_ip_global
anonymous_useragent
manipulation_globalcookieid
manipulation_appsubpartnercookieid
excessive_ratio_newdevice_siteid
excessive_ratio_limitadtracking_siteid
Fraud Tactics	Sophisticated Bot Driven Installs