defence in depth
"Defence in depth" is a multi-layered approach to security and safety, applicable in military, cybersecurity, and engineering contexts.
🇺🇸 US Voice:
🇬🇧 UK Voice:
Definition
C1Military
(strategic)A strategy that delays an enemy's advance by using multiple defensive positions rather than a single line of defense.
Example
- The army implemented a defence in depth to slow down the invading forces.
B2Cybersecurity
(technical)An approach that uses multiple layers of security measures to protect systems and data, ensuring protection even if one layer fails.
Example
- Using firewalls, antivirus software, and encryption together is an example of defence in depth in cybersecurity.
C1Engineering
(technical)A principle that employs multiple safety mechanisms and redundancies to ensure system reliability and minimize the risk of failure.
Example
- Nuclear plants use defence in depth to prevent and mitigate accidents.