The Deactivate XML-RPC plugin for WordPress is a security-focused tool designed to enhance your website's protection against brute force attacks that exploit the XML-RPC feature. This free plugin effectively disables the XML-RPC protocol, which is often targeted by malicious entities, thereby reducing the risk of unauthorized access to your site. By implementing this plugin, users can ensure that their WordPress installation remains secure and less vulnerable to attacks that leverage XML-RPC functionalities.

However, it's important to note that deactivating XML-RPC will also eliminate certain capabilities associated with it. Users will lose the ability to perform remote posting through various applications, such as the WordPress mobile app and Windows Live Writer, as well as posting pingbacks. This makes the plugin particularly suitable for users prioritizing security over remote posting capabilities.