Consider the terms ‘fraud’, and ‘waste’. While fraud conjures up the emotions of anger, alongside romanticised mental imagery of scheming criminals versus noble forces, waste is a far less emotive and enticing concept. However, in an industry as complex as programmatic, with a multitude of nodes interlinking at various touchpoints, small amounts of wastage can build into as serious a problem as fraud, if not more so.

https://www.exchangewire.com/blog/2019/07/24/with-all-the-talk-of-fraud-the-industry-overlooks-waste/