Better Headers

Secures your wp site from hackers by hiding username of members from front side.

Adds Pow Captcha verification to forms to prevent spam and bot submissions.

Protects WordPress from DDoS with rate limiting, bot detection, blocking, Cloudflare support, logs, charts, and bot list export/import.

A s2member add-on that allows you to upload a file to the s2member-files/ secure directory and automatically insert a link into your post.

By far the simplest country allowlist plugin available. Locks admin panel and XMLRPC access to a given list of allowed countries.

Bottle is a bot throttling plugin.

Stop bad bots from attacking your forms using hCaptcha or simple maths questions

Improve the security of your website by detecting unexpected changes to content