When the click fraud decision is made and when the decision is communicated are different things. When combating fraud, communicating the result of fraud decis

When the click fraud decision is made and when the decision is communicated are different things. When combating fraud, communicating the result of fraud decisions gives fraudsters information they can use to evade fraud protections. The faster the feedback loop for fraudsters, the faster they can find the gaps. Give feedback too quickly, and you'll never keep up in the cat-and-mouse game.