A major challenge facing security vendors today is that most solutions and products are developed based on knowledge of previous threats that already exist. This makes many security solutions reactive by their very design, which is not a tenable strategy for facing the volume of new attacks and strategies arising today.
This arms race of identifying new threats, then reacting has been the primary strategy since the dawn of malware: A new virus is identified and then security vendors write the antivirus signature to block it; a polymorphic virus…
Article Link: http://blog.fortinet.com/2017/05/23/what-it-takes-to-successfully-defend-against-wannacry-and-everything-else