A step-by-step checklist to secure Amazon Linux:
For Amazon Linux (CIS Amazon Linux Benchmark version 2.1.0)
Want to skip most manual steps?
CIS Hardened Image available for Benchmark version 2.0.0
Provision on AWS Marketplace, AWS GovCloud and AWS Intelligence Community
Remediation Kit available for Benchmark version 1.1.0
CIS-CAT Pro is included with membership and can automatically test for compliance and remediate with this benchmark.