alextconepbannistkfranasz There's two issues probably. The first is, as has been stated, legit vendors serve malware and get tagged. The ecosystem is too complex to make the true source of such ads clear, so the ad provider is blamed. I honestly understand this position. They should do more...
alextconepbannistkfranasz *they in this case being the ad tech ecosystem that fails to do even basic detection at every level and leaves it to the publisher to detect at their own cost and then lose the impression to malware being booked on top of that.