XML-RPC is an old protocol that allows for remote connections (e.g., posting from a mobile app). However, nowadays it is the #1 backdoor that hackers use to perform Brute Force attacks (guessing passwords) and overload servers (DDoS). If you do not use the WordPress app on your phone or the Jetpack plugin, you should disable … Continue reading How to disable “XML-RPC” – a popular backdoor that hackers often use to bypass login pages?