Block IP Addresses That Trigger Many 404 Errors
Temporarily blocks visitors who hit more than 20 missing pages within a minute, a typical sign of vulnerability scanners probing for old plugins and backup files.
Snippet Library
Security snippets for WordPress
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.