Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-cybersecurity-0fb81cc87d3e

What is defense in depth?

Using multiple layers of security.

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  1. Digging a moat around a server
  2. Using only one strong password
  3. Using multiple layers of security ✔

Why: Defense in depth means more than one layer must fail before a system is compromised.

Huh, didn't know that: Defense in depth means more than one layer must fail before a system is compromised.

The dad joke
Layers of defense are like wearing a raincoat and carrying an umbrella.
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References

Answer: Using multiple layers of security. Defense in depth means more than one layer must fail before a system is compromised.

  1. Computer security en.wikipedia.org/wiki/Computer_security
    Defense in depth, where the design is such that more than one subsystem needs to be violated
    Checked 2026-11-07.

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