CIS Benchmarks are the only consensus-based, best-practice security configuration guides both developed and accepted by government, business, industry, and academia.
Its an objective, consensus-driven security guideline for the Red Hat Enterprise Linux Operating Systems.
CIS_Red_Hat_Enterprise_Linux_8_Benchmark_v2.0.0.pdf
https://mega.nz/file/fR5TjDBS#AwdrCAqC_ojX10SMXVlraKRPAD5pfPgaiG88WYi0OO8
CIS_Red_Hat_Enterprise_Linux_7_Benchmark_v3.1.1.pdf
https://mega.nz/file/OBhWVYCJ#hn_iFyrxuTevh7AZ7fjEk_s8OlS2iKQbKn7LAwLU9IM