Sold by: Citadel Security
Deployed on AWS
AWS Free Tier
This product has charges associated with the pre-built security hardening and recurring maintenance. Deploy a Rocky Linux 10 virtual machine with 300+ security controls already applied. Start secure. Stay secure. Save weeks of work.
Overview
This Rocky Linux 10 image is a hardened virtual machine configured with over 300 security controls designed to protect cloud-based workloads from the start. Ideal for companies operating in regulated or sensitive environments, this image gives teams a secure and production-ready foundation out of the box.
Our hardened images are built using proprietary internal pipelines that automate and validate the implementation of critical security controls. Each control is carefully selected to reduce attack surface, enforce secure defaults, and help teams meet internal or external compliance expectations. No tools are pre-installed. The image is clean, consistent, and easy to integrate into any environment.
Use cases include deploying workloads in healthcare, finance, government, SaaS platforms, or any application where security is a priority. Default cloud OS images offer little to no security by default. Our hardened images save engineering teams weeks of effort, reduce risk from misconfiguration, and accelerate your ability to launch in secure environments. We are a US-based company with over four years of operation, trusted by enterprises and government agencies. All engineering and support work is performed by US-based employees.
Highlights
- Over 300 security controls are pre-applied to the base image to reduce vulnerabilities, enforce strong defaults, and simplify compliance. This saves teams weeks of manual effort and ensures consistency across deployments.
- Every image is built through our internal security pipeline and validated for integrity and reliability. You can deploy in minutes with confidence that your base operating system is secure and ready for production use.
- Backed by billions of compute hours and trusted by Fortune 500 and government teams. Our hardened images are the secure foundation for mission-critical workloads in regulated environments.
Details
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Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
OtherLinux 10
Deployed on AWS
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Features and programs
Financing for AWS Marketplace purchases
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time. Alternatively, you can pay upfront for a contract, which typically covers your anticipated usage for the contract duration. Any usage beyond contract will incur additional usage-based costs.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
Dimension | Cost/hour |
|---|---|
t3.medium Recommended | $0.32 |
t2.micro | $0.14 |
t3.micro | $0.14 |
m6in.16xlarge | $5.10 |
r3.2xlarge | $2.40 |
c6id.16xlarge | $5.10 |
m5ad.24xlarge | $5.10 |
x2iezn.12xlarge | $2.40 |
g5.16xlarge | $5.10 |
r6in.xlarge | $2.40 |
Dimensions summary
You pay by the hour for each running instance, with no upfront commitment. Pricing scales by the AWS EC2 instance type you choose to launch this hardened Rocky Linux 10 image on. Each listed instance type carries its own hourly software rate, so cost follows the compute size and family you select. Smaller sizes cost less per hour; larger or specialized instances (memory, compute, GPU, storage, or bare-metal) cost more. You can run x86_64 or ARM64/Graviton instances where available. AWS infrastructure charges apply separately from this software fee.
Top-of-mind questions for buyers
The software fee meters running instance-hours. A fully stopped or powered-off instance does not accrue this hourly software charge. Note that AWS may still bill underlying storage for a stopped instance. Those AWS infrastructure charges are separate from the Citadel software rate.
The rate covers the maintained, PCI-focused hardened Rocky Linux 10 image running on your chosen instance. Citadel maintains the image-level baseline with monthly patched releases. Your team still owns application security, cloud architecture, identity, networking, logging, evidence retention, and any assessor validation.
Billing works the same way for both architectures: you pay per running instance-hour. Each instance type carries its own hourly rate, so cost follows the specific size and family you launch, not the architecture itself. Confirm architecture availability on the exact Marketplace listing before launch.
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Vendor refund policy
Refunds are not available. Billing will be assessed per the standard billing terms of the applicable cloud service provider.
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Security patches and package updates (June 2026)
Additional details
Usage instructions
Connect over SSH using the key pair selected at launch. The default user is shown above. See the listing's usage instructions for full details.
Resources
Vendor resources
Support
Vendor support
Support is part of what you get with a Citadel image, and it comes from a US-based team that works on these builds every day. Email support@citadelpci.com with anything - choosing the right image, how the hardening behaves, patching and releases, evidence for a PCI DSS review, or a question you are not sure who else to ask. We read every message, and we would much rather you ask than guess. More about how we work with customers:
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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