"Ad Network #1 rented more than 1,900 computer servers housed in commercial datacenters in Dallas...spoofing more than 5,000 domains...leased more than 650,000 IP addresses...$7 million in ad fraud"

"Ad Network #2 carried out another digital ad fraud scheme...botnet...more than 1.7 million infected computers...download fabricated webpages...$29 million in ad fraud"