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title: Rocky Linux from CIQ - Hardened - Solution Brief
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### Technical Brief

## Rocky Linux from CIQ - Hardened

Enterprise Linux with Proactive Protection

For teams that demand secure, resilient, and trusted infrastructure: Rocky Linux from CIQ - Hardened (RLC-H) is pre-configured with hardened settings, kernel protections, and a verified software supply chain.

RLC-H is purpose-built for security-sensitive environments. It combines the reliability of Rocky Linux with expert-driven hardening practices, including kernel runtime guards, memory hardening, and secure boot. CIQ delivers these capabilities with commercial-grade support, CVE remediation SLAs, and legal indemnification.

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#### Key highlights

## What is covered

![RLC-H_SolutionBrief_Fan](https://learn.ciq.com/hs-fs/hubfs/RLC-H_SolutionBrief_Fan.png?width=1178&height=788&name=RLC-H_SolutionBrief_Fan.png "RLC-H_SolutionBrief_Fan")

![sparkles](https://learn.ciq.com/hubfs/sparkles.svg "sparkles")

##### Hardened by Default

Includes protections like LKRG, hardened_malloc, and SSH lockdowns to reduce your attack surface from day one.

![router](https://learn.ciq.com/hubfs/router.svg "router")

##### Trusted Software Supply Chain

Only verified, GPG-signed packages from CIQ-managed repositories — plus full SBOM support for auditability.

![messages-square](https://learn.ciq.com/hubfs/messages-square.svg "messages-square")

##### Fast, Automated Patching

Critical security patches are fast-tracked and deployed through hardened RPMs to minimize vulnerability windows.

![building-2](https://learn.ciq.com/hubfs/building-2.svg "building-2")

##### Backed by Experts

CIQ’s engineering team delivers hardened images, long-term support, and expert guidance to keep your Linux estate secure and performant.

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Explore further

[![CIQ_blog_Top10_RLC-1](https://learn.ciq.com/hubfs/CIQ_blog_Top10_RLC-1.webp "CIQ_blog_Top10_RLC-1")](https://ciq.com/blog/why-choose-rocky-linux-from-ciq/)

Why Choose Rocky Linux from CIQ?

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[![Rocky Linux from CIQ Overview video thumbnail](https://learn.ciq.com/hubfs/e574d2661550e902d759ba21d6615b62.jpg "Rocky Linux from CIQ Overview video thumbnail")](https://www.youtube.com/watch?v=iTHGSQj-Q3I)

Rocky Linux from CIQ Overview

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[![CIQ_blog_ACC+RLC](https://learn.ciq.com/hubfs/CIQ_blog_ACC+RLC.webp "CIQ_blog_ACC+RLC")](https://ciq.com/blog/data-and-system-recovery-considerations-on-azure-confidential-computing-acc/)

Azure Confidential Computing on RLC

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[![2023 - FLOPS & Threads (3)](https://learn.ciq.com/hubfs/2023%20-%20FLOPS%20%26%20Threads%20(3).jpg "2023 - FLOPS & Threads (3)")](https://open.spotify.com/episode/4vLxGo4N6SWOsbnyX6uC6S?si=e9d89d0952ed4223)

What is Rocky Linux from CIQ (RLC)?

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