Defense-In-Depth
Defense-In-Depth: Multiple levels of logical and physical security measures that deny a single point of security failure in a system.
Definition
Multiple levels of logical and physical security measures that deny a single point of security failure in a system. Also called the “Castle” approach.
Alternative Definitions
- Definition 2
Multiple levels of logical and physical security measures that deny a single point of security failure in a system.
- Definition 3
Information Security strategy integrating people, technology, and operations capabilities to establish variable barriers across multiple layers and missions of the organization.
- Definition 4
Also called the “Castle” approach. Multiple levels of logical and physical security measures that deny a single point of security failure in a system. The use of passwords, encryption, lock-and-key access, security seals, and logs, represents a defense- in-depth approach to securing voting and election systems.
- Definition 5
Also called the “Castle” approach. Multiple levels of logical and physical security measures that deny a single point of security failure in a system. Examples include the combined use of passwords, encryption, lock-and-key access, security seals, and logs.
- Definition 6
Information security strategy integrating people, technology, and operations capabilities to establish variable barriers across multiple layers and dimensions of the organization. (CNSSI-4009; SP 800-53) (NISTIR)