Keeps WordPress from sending pings to your own site.
Plugin Tag: pingback
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Disable XML-RPC Pingback
Stops abuse of your site's XML-RPC by simply removing some methods used by attackers. While you can use the rest of XML-RPC methods.
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Disable XML-RPC-API
A simple and lightweight plugin to disable XML-RPC API, X-Pingback and pingback-ping in WordPress 3.5+ for a faster and more secure website
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SiteGuard WP Plugin
SiteGurad WP Plugin is the plugin specialized for the protection against the attack to the management page and login.