Knowing which version of WordPress you are running can be very valuable to hackers – they’ll know if you’re keeping your site up to date or if it’s an older version and therefore more vulnerable. You can prevent it from being seen in your site’s source code by adding this code into your functions.php file:

One common way of hacking WordPress websites is to first of all identify a list of usernames in use on the site, and then to carry out a brute force attack by trying common passwords in combination with the usernames used to access the site. It’s possible to stop both the usernames being easily discovered, […]