Recently I was working on a client WordPress site which was migrated from BlogSpot to WordPress, and after migration she didn't configure Akismet plugin and neither configured WordPress discussion settings to prevent comment spam. This resulted in numerous spam comments getting approved and were (0 comments)
5 AntiSpam Plugins for WordPress Blogs
As Internet is going vast, more and more Spammers are growing and leaving a bad impact on the Internet. Wordpress being the best CMS Platform is highly targeted by Spammers. If you are running a popular WordPress Blog, you can find that you will be daily receiving 1000 spam comments and lots of (2 comments)