Some related posts from Technorati and Google.

[Oobaloo.co.uk] Typo Trackback Spam: I’m also checking out the latest trunk revision for Typo (that according to Scott Laird) is nearing it’s 4.0 release which I look forward to using, most importantly, because a nasty memory leak that has apparently been quashed.

[Blog.nanorails.com] Typo trackback Spam: Typo trackback Spam. Posted by Pascal Belloncle Thu, 06 Apr 2006 20:11:00 GMT ... If you want to see just how big of a problem blog spam actually is ...

[Feedblog.org] Kevin Burton's Feed Blog: One class of domain spammer sits on a domain hoping people will type the incorrect URL and hopefully if the domain has enough traffic (like cnn.com or microsoft.com) even a small percentage of astray users can yield a lot of traffic. I'm also willing to bet the CTR for these sites is really high.

[Scottstuff.net] *scottstuff* - tag spam: I can only assume that both of these types of messages are an attempt to screw up Bayesian filtering tables by sneaking borderline words into your pool of non-spam (“ham”) email messages. The idea is that spam filters won’t find anything objectionable in the message, so it won’t mark it as spam, and users will just delete the message without using it to train their filters.

 [Seoblackhat.com] Exploiting Trackback Spam Vulnerability: However, as Seth’s blog indicates, if trackback spamming can not simply ... Let’s assume we build an automated trackback spammer, and spam tons of sites. ...

Reflected tags on Technorati: Blog, Tag Spam, Wordpress, Targeting Spam