Class Blogs does a good job with keeping hackers at bay as well as fighting the spam battle. Even though this is the case, it doesn’t hurt to add a bit more protection. There is an awesome plugin called NoSpamNX. It does an excellent job of stopping comment spam and keeping it at bay.

To use this great plugin, navigate to the plugins page to activate it. Then visit Settings > NoSpamNX to customize the settings. We suggest that you use the suggested settings in the screenshot below.