drawski

This plugin restricts access to your media files (jpg, png, gif, bmp) in original size for anyone but admin. This may be helpful for anyone who uses some plugins to add watermarks for smaller image sizes and wants to keep an option to regenerate them form the original without exposing it to the world.

Protect Original Images

WordPress plugin to make your images in original size not exposed to the world.

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...

Protect Original Images vs DozWPSecure