Anti-splog prevents spam blogs and sites (splogs) from being registered on Multisite networks in case you need to keep registrations enabled. It lets you choose between methods of detecting spam so you don’t have to choose reCAPTCHA if you would prefer a different method. It also protects you in a lot more ways than one.
On top of adjusting the registration form, your sign-up page also changes locations every 24 hours to prevent spammers from finding it, but your regular users won’t notice that anything has changed.
Site signups are also checked via an API with a growing list of offenders so you can squash as many splogs as possible before they can cause problems. Anti-splog also scans your site so if spam happens to slip through the cracks and appears in your network, it can be detected and shut down immediately – even if it’s well-disguised.
The icing on the cake is that not only are bots detected, but manual spam registrations are also caught by Anti-splog. If you have a WPMU DEV membership, then you already have this plugin as part of your security arsenal and you can install it now.
Interested in Anti-Splog?