Defense in depth is the coordinated use of multiple security countermeasures to protect the integrity of the information assets in an enterprise. The principle of defense-in-depth is that layered security mechanisms increase security of the system as a whole.
Understand Information Assurance Foundation along with Risk Model and how they have impacted confidentiality, integrity, and availability. Learn Computer Security policies, Information Security Roles and Responsibilities. Understand Continuity & Contingency Planning. Learn about Disaster Recovery Plan and Password Management. Understand Password Cracking for Windows, Biometrics Based Authentication and Single Sign-On.