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Status Submitted
Created by Guest
Created on Jan 13, 2025

Kubernetes Install Hardening RO-Root Filesystem

Currently, CP4AIOPs does not use a read-only filesystem when deployed in a Kubernetes environment, see following from NSA advisory on hardening.

"By default, containers are permitted mostly unrestricted execution within their own context. A cyber actor who has gained execution in a container can create files, download scripts, and modify the application within the container. Kubernetes can lock down a container’s file system, thereby preventing many post-exploitation activities. However, these limitations also affect legitimate container applications and can potentially result in crashes or anomalous behavior. To prevent damaging legitimate applications, Kubernetes administrators can mount secondary read/write file systems for specific directories where applications require write access."
https://media.defense.gov/2022/Aug/29/2003066362/-1/-1/0/CTR_KUBERNETES_HARDENING_GUIDANCE_1.2_20220829.PDF

This hardening tactic would provide security and bring the platform in compliance with Enterprise security standards.

Idea priority Urgent