WordPress is a free and Open-Source CMS (Content Management System) based on PHP and MySQL, and it can be installed on 1984's web servers. Features include a plugin architecture and a template system.
WordPress was used by more than 26.4% of the top 10 million websites as of April 2016. It is reportedly the easiest and most popular blogging system in use on the Web, supporting more than 60 million websites.
WordPress is released under the GPLv2 (or later) license from the Free Software Foundation.
wordpress.org

• Do not use “admin” as a username, it's too obvious for a hacker, be creative and use a hard-to-guess username.
• Do not underestimate the importance of using strong passwords!
• Always update all themes and plugins whether they are in use or not.
• Delete all themes that are not in use.
• Delete all plugins that are not in use.
• Updates are frequent, it's reasonable to log in to check at least once a week.
• When installing plugins or themes always install one at a time, then check if the site is still working normally before installing another one.
• Plugins and specifically themes can and do often crash WordPress.
• If you have a contact form on the site then you need to setup a SMTP mail plugin or else it will not work
• The reason for that is that by default wordpress uses the phpmail protocol but it is insecure and therefore our servers will block it

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