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What is defence-in-depth?
What is defence-in-depth? Defence-in-depth means many layers, so one failure doesn’t end the story. Perimeter, identity, patching, secure code, logging and backups all back each other up. “I prefer several boring layers over one magic box.” Any single control can fail. Layers mean an attacker must b
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What this card says
Short answer
Defence-in-depth means many layers, so one failure doesn’t end the story.
Example
Perimeter, identity, patching, secure code, logging and backups all back each other up.
Say it in the interview
“I prefer several boring layers over one magic box.”
Why it matters
Any single control can fail. Layers mean an attacker must beat several.
Learn more in the lesson: 46.9 AD, Malware, Session, IoT and Mobile — Defensive Talking Points