Amazon Inspector expands Center for Internet Security’s CIS Benchmarks support for Amazon Linux (v2017.09 and earlier), Red Hat Enterprise Linux (v6 and 7), CentOS Linux (v6 and 7), and Ubuntu Linux (v14.04 and 16.04). You can now run Inspector CIS assessments on these Linux distributions to check the configuration of your Amazon EC2 instances against the security configuration best practices developed by CIS.