Breaches Happen: Be Prepared - A SANS Analyst White Paper
Attackers are leaving no stone unturned, prying into web applications, operating systems and even deeper in the hardware. They're taking advantage of conventional endpoints and mobile devices, slipping past and through network security, and even taking advantage of the human element operating the devices.
In this paper, SANS discusses how the layered model is more relevant than ever and how a layered approach to security provides better protection of your organization's IT assets.