abcnews.go.com posted on December 20th, 2016, quoting a firm which specializes in detection of online-ad fraud as saying that a criminal group of Russia is running huge fraud which has been stealing millions of digital advertising dollars per day for the last few months.
Article Link: http://spamnews.com/The-News/Latest/Cyber-Gang-of-Russia-Collected-Millions-through-Fake-Ad-Scam-2016122618830/