This plugin will block users from accessing your site via proxy services and auto-correct the ip address of the user.
Stop your website email addresses from being scraped and harvested by spammers with the best email obfuscator protection available.
Wortify is a honeypot client that operates with https://xortify.com to prevent human rights abuse like captcha and signup sweat shops, as well as spam
SeCWurity WP Login protects your login page against different attack types...
Discourage robots from scraping your RSS feed.
This plugin allows WordPress to block over 95% of spam comments using a time-based hash.
This plugin will disable your visitors who using Adblock plugins.
Sexy Slider to protect your blog against spam.