CIS Benchmark Inclusion

[Justin R. Andrusk]

I would recommend merging as many of the recommendations that your list does not cover as defined in the CIS Linux Benchmarks. They can be found @ https://benchmarks.cisecurity.org/downloads/benchmarks

[Konstantin Ryabitsev]

As this is a creative commons by-sa licensed work, we specifically wanted to create a cleanroom checklist that doesn't borrow from other documents.