Vectra Networks, a leader in real-time detection of incoming cyber-attacks, recently discovered from results the first edition of The Post Breach Industry Report, an industry study using real-world data from enterprise networks to reveal what attackers do within a network once they expose perimeter defenses.The study report found out that all sample organizations had internal networks breached by a Cyber Attack; 75 percent of hosts with multiple attack detections experienced botnet attacks.
more here.........http://ist323infosec.wordpress.com/2014/11/09/what-do-attackers-do-after-bypassing-defenses/
more here.........http://ist323infosec.wordpress.com/2014/11/09/what-do-attackers-do-after-bypassing-defenses/