Restrict Unfiltered HTML to Administrators
Only administrators may save raw HTML such as scripts and iframes in posts. Editors get the same safe HTML filtering as authors.
Snippet Library
Snippets that harden WordPress: turn off XML-RPC, hide the version number, stop user enumeration, add security headers and block risky uploads. Small, reviewable changes for site owners who want fewer attack points without a heavy security plugin.
Only administrators may save raw HTML such as scripts and iframes in posts. Editors get the same safe HTML filtering as authors.
Refuses to give the administrator role to accounts whose email address is not on one of your approved domains, whether set from the profile screen, the Add User screen or a bulk role change.
Adds Users > Capability Audit, listing every role other than Administrator and every user outside the administrator role that holds powerful permissions such as unfiltered HTML, plugin installation or user management.