Glossary
Immutable Infrastructure
Immutable infrastructure means never patching servers - instead you throw away old ones and build new, secure ones.
What is Immutable Infrastructure?
Infrastructure that is never modified after deployment - changes require replacing with new instances.
Why Should You Care?
Immutable infrastructure reduces configuration drift and makes it harder for attackers to persist. Clean state every deployment.
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Real-World Example
Container images are rebuilt with security patches and deployed fresh rather than patching running containers.
How to Protect Against Immutable Infrastructure
- 1.
Adopt immutable infrastructure patterns
- 2.
Automate instance replacement for updates
Related Terms
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