Google study warns of widespread video ad fraud, encourages wider ads.txt takeup

Publishers are losing up to $1.27bn a year due to fraudsters impersonating their inventory on ad exchanges, with such bad actors conducting up to 700m false ad requests per day, according to a study published today (December 12) by Google.
The study found that publishers were losing up to $3.5m a day based on a valuation of $5 video CPMs, due to fraudsters ‘spoofing’ their web domains on ad exchanges, with the total loss to premium publishers equating to over $1.27bn a year.
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