WordPress is a system that is secure but applications has their own flaws and security holes are located on WP. This is why WP releases new updates . As soon as they discovered any vulnerability, they provide a new update and make some changes. First you have to understand the regions where these plug-ins work to help you protect your investment, if you wish to know about the best how to fix hacked wordpress plugin.
Use strong passwords - Do your best to use a strong password, alpha-numeric, with upper and lower case and special characters. Easy to remember passwords are also easy to guess!
This is quite handy plugin, protecting you against brute-force attacks that are password-crack. It keeps track of the IP address of every login attempt. You can configure the plugin to disable login attempts when a certain number of attempts is reached.
Safety plug-ins that were all-Rounder can be thought of as a complete security checker. They check and scan the site and provide you with information concerning the weaknesses of the site.
Do your homework and some searching, but if you check here are pressed for time and need to get this done once and for all, try out the WordPress security plugin that I use. It is a relief to know that my site (and company!) are secure.