(Very comprehensive, security hardening baseline, you will never regret it, including the security baselines of WINDOW, linux, UNIX, apache, IIS, WEB, sqlserver, oracle, Cisco, Huawei, and other systems and equipment for your reference and study.
aix system security configuration baseline.pdf
Apache system hardening standard.pdf
cisco network equipment hardening standard.pdf
db2 database system reinforcement standard.pdf
hp-unix host operating system hardening standard.pdf
Huawei Network Equipment Reinforcement Standard.pdf
Juniper Network Equipment Reinforcement Standard.pdf
Linux host operating system hardening standard.pdf
Oracle Database System Reinforcement Standard.pdf
sqlserver database system reinforcement standard.pdf
weblogic system reinforcement standard.pdf
websphere system reinforcement standard.pdf
web usage security baseline.pdf
Windows host operating system hardening standard.pdf
.....)