Comment on Changing the WordPress Database Table Prefix, Security through Obscurity by Fahad Rafiq.
WordPress is a highly customizable CMS that have been adopted by millions around the web.
Unfortunately with the so much popularity, WordPress became a top target of many hackers who created automated scripts to target various vulnerabilities in the WordPress.
One of the way to harden the security of your WordPress website is to change default database prefix from “wp_” to something else.