You can keep some specific tags hidden from tag lists and tag clouds of your WordPress site. You can very easily specify a list of tags whom you like keeping hidden and these selected tags will go invisible for your website users and won’t show up on the places like tag clouds and post tags lists present below the post etc while keeping their archives safe and accessible.
With new WordPress plugin called Comment Auto Blacklist automatically adds IPs of spam comments to comment blacklist settings field in your WordPress site.
WordPress has a secret options page for site admins. Admin can access this page only by typing full page address.
Now hide normal WordPress login and use a lock icon in the upper right or a “The Net” (MOVIE) style pi symbol in the bottom right.