Defence-in-Depth
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Contents
Definitions
International Definitions
IAEA
Implementing several layers of defence, including both administrative aspects (procedures, instructions, sanctions, access control rules, confidentiality rules) and technical aspects (multiple layers of protection together with measures for detection and delay) that adversaries would have to overcome or circumvent to achieve their objectives. [1]
National Definitions
Oman
Defense In-Depth is the approach of using multiple layers of security to guard against failure of a single security component. [2]
United States
NIST
Defense-in-Depth is an information security strategy integrating people, technology, and operations capabilities to establish variable barriers across multiple layers and missions of the organization. [3]