Unsecure password practices
Dansnetwork has a short an simple article explaining the simplest way of securing user passwords on the web. If you are new to authorization on the web, this article will give you a quick introduction to hashing methods and what not to do when dealing with authorization information.
URL: http://blog.dansnetwork.com/2008/07/15/unsafe-password-storage-practices/
Still this article is a bit to basic, since it does not discuss rainbow table attacks, which could with ease break most of the passwords. My previous article discuss how to avoid rainbow table attacks.