Huge increase in WordPress xmlrpc.php POST requests

How to identify, block, mitigate and leverage xmlrpc.php scans, brute-force, and user enumeration attacks on WordPress sites... Secure WordPress xmlprc.php interface and reduce service disruption.
A web application is application software that runs on a web server, unlike computer-based software programs that are run locally on the operating system of the device. Web applications are accessed by the user through a web browser with an active network connection.
How to identify, block, mitigate and leverage xmlrpc.php scans, brute-force, and user enumeration attacks on WordPress sites... Secure WordPress xmlprc.php interface and reduce service disruption.