Fraudulent tech-support services that buy online advertising space have grown in sophistication to a level that Google cannot distinguish them from legitimate providers.
Operators of tech-support scams often operate just like a legitimate business to avoid detection and to ensure their success for a longer time. Sometimes even employees are unaware of the illegal activity.
Over the past few years, scammers have begun to promote their activity through search ads, claiming to be an authorized service center for products from popular companies such as Apple, Microsoft or Dell.
Playing on the user's trust in the results and ads provided by Google, most of the times the scammers just have to wait for the victim to call.
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