According to a Fortune article, which quotes a 2014 report by Equilar, Amazon spent the most amount of money looking after its CEO in 2013. Equilar is a firm that tracks executive compensation, and it says Amazon paid out $1.6 million that year on security for Jeff Bezos. During the same period, when Larry Ellison was still CEO of Oracle, $1.5 million was spent on security for him.