Sold by: Citadel Security
Deployed on AWS
AWS Free Tier
This product has charges associated with it for hardening and maintenance. This Citadel VM is secured using 300+ open source security controls and validated using Citadel Audit.
Overview
This product has charges associated with it for hardening and maintenance. This Citadel Hardened VM is secured using 300+ security controls and validated using Citadel Audit.
This AMI delivers a secure, stable, and high-performance environment for developing and running cloud and enterprise applications. Regularly updated and maintained, this Citadel VM embodies the pinnacle of reliability for your operations.
By deploying an image hardened with the Citadel Audit, organizations can significantly enhance efficiency while reducing costs, time, and associated risks. This Citadel VM integrates a comprehensive set of security recommendations leading open-source industry standards, ensuring a robust defense layer without compromising the technology's functionality or utility.
Each VM includes comprehensive documentation and a detailed security report from Citadel Audit, offering insights into the security enhancements and best practices implemented.
This is the recommended default AMI by our security experts at Citadel. We are committed to providing continuous security and maintenance updates for all instances running, ensuring your operations are safeguarded with the latest security standards.
Highlights
- Current and Consistent: Citadel's hardened images are kept up-to-date with the latest security patches and updates, ensuring you always have the most recent advancements in security and technology at your fingertips.
- Built on open source secure frameworks and validated by Citadel Audit, our solutions offer unparalleled security and reliability, widely accepted by governments and industries. Our community-driven approach safeguards critical infrastructure and sensitive data, proving our commitment to the highest cybersecurity standards. Essential for top-tier security defense.
Details
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Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
OtherLinux 8
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.small Recommended | $0.105 |
t3.micro | $0.105 |
c5n.18xlarge | $0.175 |
c5ad.xlarge | $0.175 |
d3.8xlarge | $0.175 |
r5.metal | $0.175 |
c5ad.2xlarge | $0.175 |
c5a.8xlarge | $0.175 |
c6i.12xlarge | $0.175 |
r6idn.8xlarge | $0.175 |
Dimensions summary
You pay by the hour for this hardened Rocky Linux 8 image, billed for each hour an instance runs. The many dimensions map to specific AWS EC2 instance types, so your rate follows the instance you choose. Options span both x86_64 and ARM64 (Graviton) families, plus sizes from small (like t3.small) to large bare-metal and high-memory machines (like u-24tb1.112xlarge). There are no tiers or commitments; pricing scales with the size and class of the instance you run. Separate AWS infrastructure charges apply on top of the software fee.
Top-of-mind questions for buyers
One unit is one running EC2 instance for one hour. You pick an instance type, and that type's hourly software rate applies while it runs. Each active instance meters separately. If you run several instances, each one accrues its own hourly software charge on the same invoice.
The software fee meters running hours only. A stopped instance does not accrue the hourly software charge. Underlying AWS charges, such as storage for attached volumes, may still apply while the instance is stopped. Charges resume when you start the instance again.
Billing stays hourly per running instance for both. Your rate follows the specific instance type you launch, so an ARM64 (Graviton) type and an x86_64 type each carry their own hourly rate. Confirm architecture availability and the exact rate on the listing before launch.
citadelpci.com
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Vendor refund policy
At present, Citadel does not provide refunds. Billing will be only for the actual duration of instance use. Just like other Citadel offerings, our primary objective is to ensure complete satisfaction for all our customers. Should you need further assistance, please reach out to our team directly at support@citadelelement.com .
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
This is the updated release of our hardened AMI with latest security patches installed.
Additional details
Usage instructions
How to connect to the VM:
To connect to your instance, the use of SSH via port 22 is necessary. The default username for establishing this connection is rocky. For a more comprehensive understanding of the standard procedure for connecting to an instance on AWS, please consult the following documentation: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstances.html
Hardening Notice and Assistance
This image comes pre-configured with Hardened compliance already integrated. However, it's worth noting that the use of a hardened system could call for certain adaptations. The advanced security measures might restrict some functionalities or require additional actions for certain operations due to its hardened nature. Should any issues arise, we recommend reaching out to the software provider for further assistance.
Other Information
-The product operates independently without needing extra external resources.
-To ensure optimal performance, it's advised that you perform updates routinely alongside adopting newly released versions from Citadel.
-This software doesn't require any security keys or credentials to be rotated. It's strongly suggested to utilize EC2 instance connect or AWS Systems Manager Session Manager for best results.
-The functioning of this software does not involve the collection of any customer data.
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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