There is a call for new school of cyber defense,since the perimeter security cloud cannot prevent cyber-attacks anymore. The first step is to mitigate the damage. The best way is to run a fully updated , layered ,in depth set of security tools and educating the end users about how to falling for attack lures. Second step is to prepare for the aftermath of the attack. The approach here should be data centric. Prepare a written plan as to who to contact and what to do in case of security breach. Read more at: http://www.darkreading.com/attacks-breaches/twitter-chat-how-to-prepare-for-a-cyberattack/a/d-id/1321216