OpenSCAP

OpenSCAP is a free, open-source toolset for applying the Security Content Automation Protocol (SCAP) to security checks. It is best suited to organizations and technical teams that need customizable compliance and vulnerability assessments across systems or containers. Its SCAP-focused toolkit is broad; automated remediation is the main reason to proceed carefully.

Overview

OpenSCAP brings together tools for evaluating security content, scanning systems, and managing policy. Its support for customizable rules and scheduled assessments can help teams make checks repeatable, while its command-line and policy-centered approach is less suited to readers looking for a single, browser-based security service.

The project identifies government agencies and contractors, businesses, and the open-source community as audiences. Its integration with Red Hat Satellite 6 adds centralized policy management, scheduled audits, and a way to collect and search audit results for teams using that platform.

Key features

OpenSCAP Base includes a library and the oscap command-line tool for parsing and evaluating SCAP content, scanning systems, and formatting content into 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 natural fit for teams whose checks are built around those standards.

SCAP Workbench provides a desktop workflow to tailor content, run local or remote scans, and export results. Users can change policy variables, turn rules on or off, and save customized policies separately so they can reuse them when the original content is updated. OpenSCAP Daemon can assess machines and containers on a schedule, which suits teams that need recurring checks rather than one-off scans.

For container security, Atomic Scan can check containers for vulnerabilities and compliance issues using the OpenSCAP Docker image in the official Red Hat registry. The project also lists integrations with Red Hat Satellite 6, Red Hat Satellite 5, RH Access Insights, Preupgrade Assistant, and orcharhino. OpenSCAP Base is available for Linux distributions including Red Hat Enterprise Linux, Fedora, and Ubuntu, and supports Microsoft Windows since version 1.3.0. The project says it received SCAP 1.2 certification from NIST in 2014.

Automated remediation is possible when a security policy includes it, but it is not a safe universal shortcut: not every rule can be remediated automatically, and applying fixes may break infrastructure functionality. Teams should treat remediation as a change to assess, not a substitute for review.

Pricing

OpenSCAP tools cost free. The projects under the OpenSCAP umbrella are open source and can be downloaded and used for free. There is no paid OpenSCAP tier to add, so this is a strong fit for teams comfortable operating the tools themselves; organizations seeking a packaged commercial service should look elsewhere.

Platforms

The listed platforms are Linux, macOS, self-hosted, and Windows. OpenSCAP Base is specifically available on Linux distributions such as Red Hat Enterprise Linux, Fedora, and Ubuntu, and the project states Windows support from version 1.3.0. The self-hosted deployment model fits teams that want to run assessments within their own environment.

Who it's for

OpenSCAP suits government agencies, contractors, businesses, and open-source users who need SCAP-based compliance or vulnerability checks and want control over policy variables and rules. It is particularly relevant to teams already using Red Hat management tools or maintaining machines and containers that need recurring assessments. Readers who want a managed, browser-led workflow or turnkey remediation should consider another approach.

Pros and cons

• Pros: Free and open source, with tools for content evaluation, system scans, policy customization, scheduled checks, and container assessment.
• Pros: Support for XCCDF, OVAL, and SCAP 1.2 with backward compatibility can serve teams using those standards and content formats.
• Cons: The toolset centers on SCAP content and self-managed workflows, which may not suit teams seeking a hosted service.
• Cons: Automated remediation can disrupt infrastructure, and some rules cannot be fixed automatically.

Alternatives

For broader category comparisons, see Security Configuration Management Software and Infrastructure Testing Tools.

• Chef InSpec is worth considering if you want a freemium option with a free plan and trial, and support for Linux, macOS, Windows, API, and self-hosted platforms.
• Mondoo CSPM may fit better if you need scanning across cloud, Kubernetes, operating systems, SaaS, and APIs, with a free open-source tools plan.
• Qualys External Attack Surface Management is an alternative if a 30-day no-cost CSAM with EASM offer and a trial suit your evaluation.
• Kubescape is a free, self-hosted open-source option with a CLI and Kubernetes operator if your priority is Kubernetes-focused tooling.
• Lynis offers free, open-source software for Linux, macOS, and self-hosted environments, with a paid enterprise SaaS plan also available.
• Prowler Cloud has a 15-day trial with no cloud account limit and access to every check and compliance framework, alongside a free open-source plan.
• CloudSploit offers a self-hosted open-source version and a commercial hosted version.
• Tanium Deploy is a paid option for teams with the required Tanium license and Tanium Core Platform servers.

Verdict

Choose OpenSCAP if you need free, customizable SCAP-based compliance and vulnerability assessment across systems or containers, especially when scheduled checks or Red Hat integrations matter. Its open-source toolset gives technical teams room to shape policy and workflows. Look elsewhere if you need a managed service or expect automated remediation to be safe and complete without review.