Poet Farmer

PF Secure Toolkit helps you secure your site by turning off WordPress components you may not need or want exposed.
Features include: 
* Disable Author Archives (301 redirect + remove users sitemap). 
* Disable Comments site-wide (removes UI, blocks REST, hides existing). 
* Disable WP Emojis (scripts, styles, TinyMCE, email/RSS, CDN prefetch). 
* Disable XML-RPC (removes headers, blocks pingback methods). 
* Quick toggle settings in the admin panel.

PF Secure Toolkit

PF Secure Toolkit is a lightweight, modular plugin to harden WordPress by disabling unnecessary features.

Dozty

A basic security plugin for WordPress 4.x, 5.0 or higher. You can selectively disable unused features in WordPress core, and this plugin will help you to remove unnecessary information to be disclosed to attackers. You can find more details in the User Manual.
Basic WP Security Hardening: 
– Remove WP Version Details 
– Disable XMLRPC 
– Disable Pingback 
– Disable Windows Live Writer 
– Disable RSS Feeds 
– Disable JSON & REST API 
– Enable Security Headers (X-Frame-Options, X-XSS-Protection, X-Content-Type-Options) 
– Remove PHP Version Header
Optional Settings: 
– Remove HTML Comment Tags 
– Trim HTML Response
Custom Login URL: 
– Customize Login URL 
– Customize Login Logo URL 
– Enforce HTTPS Login

DozWPSecure

A basic security plugin for WordPress 4.x, 5.0 or higher. You can selectively disable unused features in WordPress core...

PF Secure Toolkit vs DozWPSecure