What is Layered Security (Defense in Depth)?

Layered Security (Defense in Depth)

Definition

A security strategy that involves multiple layers of defenses to protect information and systems.

Layered security combines physical, technical, and administrative controls to ensure that if one layer is breached, additional defenses are still in place.

Real-World Examples

Using firewalls, antivirus software, access controls, and encryption together to secure an IT environment.

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Quiz

Does layered security rely on a single defense mechanism?

No, it involves multiple layers.