This is part of the azurecurve ClassicPress Plugins series which introduces the plugins I have available for ClassicPress.
The plugin I am going to cover in this post, is one written for ClassicPress by John Alrcon which I have now adopted; Username Protection.
This plugin allows you to remove anonymous access to usernames in ClassicPress to help mitigate brute-force attacks. For visitors who are not logged in, usernames are removed from the REST API, feeds, author pages, and prevented from exposure through other common vectors of discovery.
The plugin can be downloaded from my GitHub.