OpenSCAP

Overview

OpenSCAP is a collection of open-source tools for security compliance and vulnerability assessment built around SCAP. It suits technical teams that want to customize and run standards-based checks across systems and containers. Its flexible policy workflow is useful, but the command-line and policy-centered approach is not a natural fit for buyers seeking a turnkey browser service.

Key features

OpenSCAP Base pairs a library with the oscap command-line tool to evaluate SCAP content, scan systems, and produce documents. It supports XCCDF benchmarks and OVAL definitions, with SCAP 1.2 support and backward compatibility for SCAP 1.1 and 1.0. That makes it a practical choice for teams whose compliance checks already use these formats; it is less compelling if their requirements are built around another policy standard.

For a desktop workflow, SCAP Workbench lets users tailor SCAP content, run local or remote scans, and export results. Policy variables can be changed, rules enabled or disabled, and customized policies saved separately for reuse when the source content is updated. This gives administrators room to adapt checks without losing their own policy version when upstream content changes.

OpenSCAP Daemon schedules assessments of machines and containers, while Atomic Scan can check containers for vulnerabilities and compliance issues using the openscap Docker image in the official Red Hat registry. The project also identifies integrations with Red Hat Satellite 6 (Foreman), Red Hat Satellite 5 (Spacewalk), RH Access Insights, Preupgrade Assistant, and orcharhino. Red Hat Satellite 6 users can centrally manage policies, schedule audits, and collect and search audit results, making that integration especially useful for organizations already operating the platform.

Policies may include automated remediation, but fixes can break infrastructure functionality and some rules cannot be remediated automatically. Treat remediation as an action requiring review rather than assuming every failed check can be safely corrected by the tool.

Pricing

OpenSCAP tools are free: the OpenSCAP umbrella projects are open source and can be downloaded and used without charge. There is no paid tier or free trial in this offering, so teams get the same core collection without a price-based upgrade path. The trade-off is that adopting it means building around its tools and policy workflow rather than choosing a packaged commercial plan.

Platforms

OpenSCAP Base is available on Linux distributions including Red Hat Enterprise Linux, Fedora, and Ubuntu; Windows is supported since version 1.3.0. The project also identifies Linux, macOS, self-hosted, and Windows platforms. Its machine and container assessments suit teams managing those environments, though the platform list does not make it a browser-based service.

Who it's for

Government agencies and contractors, businesses, and the open-source community are among the audiences identified for OpenSCAP. It is strongest for administrators and security teams comfortable working with SCAP content, tailoring policy, and operating scans themselves. The project says it received SCAP 1.2 certification from NIST in 2014, a relevant credential for teams that need that protocol certification; it does not replace the need to assess whether particular policies meet their requirements.

Pros and cons

• Pros: Free, open-source tools cover SCAP evaluation, system scanning, policy customization, and scheduled assessments, so teams can build repeatable checks without a subscription.
• Pros: Support for XCCDF and OVAL, plus Red Hat Satellite 6 centralized management and audit search, is valuable for organizations already using these standards and infrastructure.
• Cons: The SCAP-centered toolset and command-line component demand a team prepared to work directly with policy content rather than rely on a turnkey service.
• Cons: Automated remediation can disrupt infrastructure, and not every rule has an automatic fix, so hands-off policy enforcement is risky.

Alternatives

For cloud, Kubernetes, OS, SaaS, and API scanning with a Kubernetes operator and asset inventory in a free-forever open-source plan, consider Mondoo CSPM. If non-production workloads or personal, non-commercial use fit your needs, Chef InSpec offers a free plan with unlimited duration and a separate 30-day trial.

Teams seeking a self-hosted Kubernetes operator and CLI under Apache 2.0 can consider Kubescape. Lynis is another free, open-source option, with an Enterprise SaaS plan priced at $36 a year. For a cloud-focused alternative, Prowler Cloud provides a 15-day trial with no cloud account limit and every check and compliance framework.

Qualys External Attack Surface Management has a 30-day no-cost period for CSAM with EASM. For a self-hosted open-source cloud security option, consider CloudSploit. DigitalOcean Cloud Security Posture Management offers unlimited manual scans for standard rules on its free plan and a Basic plan at $5 a month, billed per covered workload, with one workload scan per day.

Browse more options in Security Configuration Management Software and Infrastructure Testing Tools.

Verdict

OpenSCAP is a strong choice for technical organizations that need free, customizable SCAP-based compliance and vulnerability checks, particularly those already using Red Hat Satellite 6. Its broad policy and scheduling tools are the main reason to choose it; look elsewhere if you need a turnkey service or expect automated remediation to be safe and complete without oversight.