The solutions architect is in charge of assembling the initial security configuration of various systems on the network, such as Mac, Windows, UNIX, and Linux.

Where would the architect look for configuration guidelines to cover these different systems?

Cloud Security Alliance $($CSA$)$

Open Web Application Security Project $($OWASP$)$

Center for Internet Security $($CIS$)$ benchmarks

International Organization for Standardization

$($ISO$)27000$ series