Digital advertising industry is getting socked with a new ad fraud campaign that’s operating millions of fully qualified domain names (FQDN) and thousands of IPs to steal online ad revenue with shady traffic-brokering. Digital ad spending is expected to hit $83 billion by the end of the year and $129 billion by 2021. NoTrove operates in a grey area of maliciousness that makes it possible for it to fly under the radar of many technologies that look for malicious advertising.”]