Defence In Depth

The point of defence in depth is that it avoids a single point of failure and that supplementary controls working together increase the combined effectiveness of controls.

Might include some or all of the following.

• Physical security (linked previously)
• Policies & Procedures (linked previously)
• Personnel security
• Organisational Culture (linked previously)
• Document Security
• Audit Trails
• Business Continuity (linked previously)