Individual skill
hardening-linux-endpoint-with-cis-benchmark
Hardens Linux endpoints using CIS Benchmark recommendations for Ubuntu, RHEL, and CentOS to reduce attack surface, enforce security baselines, and meet compliance requirements. Use when deploying new Linux servers, remediating audit findings, or establishing security baselines for Linux infrastructure. Activates for requests involving Linux hardening, CIS benchmarks for Linux, server security baselines, or Linux configuration compliance.
internal/tools/skills/data/endpoint-security/hardening-linux-endpoint-with-cis-benchmark/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Yes
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 7, 2026
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Repository context
- Repository stars (not skill ratings)
- 1,309
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- endpoint Declared skill tag
- hardening Declared skill tag
- linux-security Declared skill tag
- cis-benchmark Declared skill tag
- ubuntu Declared skill tag
- rhel Declared skill tag
- security Derived category
- legal Derived category
- devops Derived category
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# Hardening Linux Endpoint with CIS Benchmark
## When to Use
Use this skill when:
- Hardening Linux servers (Ubuntu, RHEL, CentOS, Debian) against CIS benchmarks
- Automating Linux security baselines using Ansible, OpenSCAP, or shell scripts
- Meeting compliance requirements (PCI DSS, HIPAA, SOC 2) for Linux endpoints
- Remediating findings from vulnerability scans or security audits
**Do not use** for Windows hardening (use hardening-windows-endpoint-with-cis-benchmark).
## Common Misconfigurations & Verification
- **auditd rules edited but never loaded:** writing `/etc/audit/rules.d/cis.rules` does nothing until `augenrules --load` runs and `auditctl -l` lists them; an earlier `-e 2` (immutable) line blocks later additions until reboot. Confirm the identity/scope/perm_mod watches are live, not just on disk.