Because of decreased awareness about the problem on the part of top management and IT professionals in organizations.
While all other options are specifically cited in the text as a reason why cyberattacks are getting worse, decreased awareness about the problem on the part of top management and IT Professionals in Organizations is not cited at all. Rather this statement is itself misleading because in an era where the IT lapse is becoming a serious threat to the Organizations, it is rarely true that the Top management or IT professionals not being aware about the problem pertaining to the same. In fact, they are rather being more alert than before in dealing with the cases of cyberattacks in particular.