From April 1, 2015, through March 31, 2016, Imperva Incapsula mitigated an average of 445 attacks per week targeting its customers. As evidenced by the graph below (figure 1), over that period the number of both network and application layer attacks doubled during the year.
Application layer assaults accounted for the majority (60 percent). But looking closer, their relative number has been trending downward—dropping by more than five percent year over year. If this continues, network layer attacks could be as commonplace as their application layer counterparts by 2018.