GroupM Singles Out Piracy Websites as Marketers’ Next Ad-Fraud Headache

Costing advertisers $200 million a year

As the advertising industry looks to get a better handle on fraud, it's getting more specific about the types of sites that cause huge spikes in bogus traffic while also demanding more from ad-tech vendors.

@laurenjohnson lauren.johnson@adweek.com Lauren Johnson is a senior technology editor for Adweek, where she specializes in covering mobile, social platforms and emerging tech.
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