WordPress is very secure platform in itself as it is designed. However, it also offers to add more security & extra firewall by using security Plugins which greatly enhance your websites security with lots of good practices. Generally, a WordPress security plugins enhance the site protection by hiding the weaknesses of your site works. Aside from scanning and reporting of WP security issues, the plugin scripts that make it difficult to insert malicious cyber criminals or perhaps to steal sensitive information from your site to make different offers automatic protection measures.
But it’s just to use these add-on is not enough. As we know that hackers working day and night just to collect all the websites sensitive or important data they can quite easily be mindful to steal. In fact, they are not doing it themselves. Special computer programs or bots that your system has emerged and could attack the weak points of your site use. Once they find a hole, it attacked them and all the information you have been working on for so many years will be easy to steal.
Image Source– http://saveonwp.com/best-wordpress-security-plugins