Google has always been known to safeguard its applications to thwart anyone from using them for fraudulent activities. Recent developments in this regard have had Google defending its ad systems to prevent something known as clickjacking.
What is Clickjacking?
Clickjacking has emerged as a recent threat to cost-per-click display ads. Clickjacking, also known as a “UI redress attack,” where the appearance of a website is changed so that a victim does not realize they are taking an important action, in this case clicking on one or more ads.