Home Security Policies SCAP Security Guide
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Verified security advises that are worth following. Offering high level of automation. For free.

SCAP Security Guide is a security policy written in a form of SCAP documents. The security policy created in SCAP Security Guide covers many areas of computer security and provides the best-practice solutions. The guide consists of rules with very detailed description and also includes proven remediation scripts, optimized for target systems. SCAP Security Guide, together with OpenSCAP tools, can be used for auditing your system in an automated way.

SCAP Security Guide implements security guidances recommended by respected authorities, namely PCI DSS, STIG, and USGCB. SCAP Security Guide transforms these security guidances into a machine readable format which then can be used by OpenSCAP to audit your system. SCAP Security Guide builds multiple security baselines from a single high-quality SCAP content. The DISA STIG for RHEL 6, which provides required settings for US Department of Defense systems, is one example of a baseline created from this guidance. If your systems must to comply to these baselines, you simply select appropriate profile from SCAP Security Guide.

Security policies in SCAP Security Guide are available for various operating systems and other software – Fedora, Red Hat Enterprise Linux, Mozilla Firefox and others.

SCAP Security guide is a dynamic open source project, which means that many organizations interested in computer security share their efforts and collaborate on security policies contained in SCAP Security guide. It has usage in Military and Intelligence communities, healthcare, aviation, telecom and other industries. And above all, SCAP Security guide is available for download free.

How to install SCAP security guide

Choose your platform and see command line:

fedoraRed HatCentosScientific LinuxDebianUbuntu

You can install SCAP Security Guide on Fedora using command line:

dnf install scap-security-guide

References

Red Hat uses SSG for continuous monitoring of their OpenShift infrastructure, and has done since 2012. Here’s a blog posting from Tim Kramer, the OpenShift Security Lead.

A number of other IC and DoD entities have developed customized XCCDF profiles based off of SSG for their RHEL6 baselines and security compliance verification.

A European airline utilizes SSG to verify security compliance of their in-seat entertainment systems.

In 2013, Red Hat joined Lockheed Martin’s Cyber Alliance They collaborated on the CSCF-RHEL6-MLS profile.

Through sponsorship from the U.S. Navy, SSG serves as the upstream of the U.S. Government’s implementation guide to JBoss EAP5

A US-based financial services firm performs continuous monitoring with SSG, utilizing the STIG profile, ensuring their trade systems remain in compliance with their security policy

Through collaboration with DISA FSO, NSA’s Information Assurance Directorate, and Red Hat, SSG serves as Red Hat’s upstream for U.S. Department of Defense Security Technical Implementation Guides (STIGs).

Working with Amazon, SSG open sourced the RHEL6 baseline for CIA’s C2S environment. This profile was based off the Center for Internet Security’s Red Hat Enterprise Linux 6 Benchmark, v1.2.0, and while built for a U.S. Intelligence deployment, is applicable to all commercial entities who follow CIS v1.2.0.

SSG

Documentation for SCAP Security Guide

After installing, all SCAP Security Guide security policies are in directory /usr/share/xml/scap/ssg/content/. There are files for every platform available in a form of XCCDF, OVAL or datastream documents. In most of use cases, you want to use the datastreams, which file names end with -ds.xml. There are several ways to consume security policies from SCAP Security Guide, we will only go through two most important of them here.

Using SCAP Security Guide in the OpenSCAP scanner

You can use the content with the oscap tool. It is a command line interface of the OpenSCAP scanner. Its purpose is to scan the local machine. Concrete security policy is selected by choosing a profile. You can display all available profiles using the info command upon the datastream like in this example:

# oscap info /usr/share/xml/scap/ssg/content/ssg-rhel6-ds.xml

If you need help with choosing a profile, please see section.

Then run the scan using

# oscap xccdf eval --profile selected_profile --results-arf arf.xml --report report.html /usr/share/xml/scap/ssg/content/ssg-rhel6-ds.xml

Replace selected_profile with some profile of your choice. After evaluation, the arf.xml file will contain all results in a reusable Result DataStream format, report.html will contain a dynamic, human readable report that can be opened in a browser.

For more detailed information about how to use this command-line tool, please see the respective documentation for OpenSCAP base.

Using SCAP Security Guide in the SCAP Workbench

SCAP Security Guide is fully integrated with SCAP Workbench, an easy-to-use graphical tool. Its purpose is to audit either local or remote machines. When started, SCAP Workbench will automatically offer you SCAP Security Guide content and will ask you for selecting the guide and a profile.

For more detailed information about how to use SCAP Workbench for scanning, please see the respective documentation for SCAP Workbench.

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