diff --git a/README.md b/README.md
index 5207bdaa..6e799325 100644
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@@ -316,6 +316,7 @@ Table of Contents
   * [Shieldfy](https://shieldfy.io) — Web application firewall and vulnerability detection for developers, free plan up to 100k requests per month.
   * [Sqreen](https://www.sqreen.com/) — Application security monitoring and protection (RASP, WAF and more) for web applications and APIs. Free for 1 app and 3 million requests.
   * [Sucuri SiteCheck](https://sitecheck.sucuri.net) - Free website security check and malware scanner
+  * [Protectumus](https://protectumus.com) - Free website security check, site antivirus and server firewall (WAF). Email and SMS notifications for registered users.
 
 ## Management System