As-a-service models offer huge opportunities, but also complicate security. It may seem that the easiest way to migrate to a new architectural model is to let others, experts in their field, do the work. This has given rise to many as-a-service models throughout the industry and across the entire technology stack, from software to infrastructure. While this has unlocked huge opportunities to accelerate the deployment of new capabilities or increase economic efficiencies within an organization, it has complicated and even compromised security. A private cloud is nothing more than the virtualized components of a traditional data center, making it easier to provision, operate, and manage resources more efficiently. Hybrid clouds leverage larger scale public cloud environments to drive further efficiencies. Containers take this a step further, delivering greater micro-segmentation and isolation capabilities with much faster boot times. Security, of course, needs more than just perimeter defenses.