fixed - The class should override getCategory() so that the config is shown as part of the security configuration page -

src/main/java/io/jenkins/plugins/MfaGlobalConfig.java

@@ -3,15 +3,20 @@
  *
  * Class: MfaGlobalConfig
  *
- *
+ * --
  * Author: Allan Barcelos
  * Date: 2025-07-18
+ *
+ * Author: Allan Barcelos
+ * Date: 2025-07-21
+ * The class should override getCategory() so that the config is shown as part of the security configuration page
  */
 
 package io.jenkins.plugins;
 
 import hudson.Extension;
 import jenkins.model.GlobalConfiguration;
+import jenkins.model.GlobalConfigurationCategory;
 import org.kohsuke.stapler.DataBoundSetter;
 
 @Extension
@@ -28,6 +33,11 @@ public class MfaGlobalConfig extends GlobalConfiguration {
         load();
     }
 
+    @Override
+    public GlobalConfigurationCategory getCategory() {
+        return GlobalConfigurationCategory.get(GlobalConfigurationCategory.Security.class);
+    }
+
     public boolean isEnforceMfaForAllUsers() {
         return enforceMfaForAllUsers;
     }