How do I hide WordPress users from security scanning?

There are lots of previous answers here on WP Dev for that – such as Completely hide user info
– and related security (real or imagined) issues.

(Yes, this is a short answer with links, who=ich is frowned upon on Stack Exchange sites.)

See Steps to Take to Hide the Fact a Site is Using WordPress?

and also https://wordpress.stackexchange.com/questions/tagged/security