First: a link to another article for SC Magazine's Cybercrime Corner on password issues: Good passwords are no joke. However good your password is, your privacy still depends on rational implementation by the service provider. Also, one of the articles that sparked off that particular post: ESET Ireland's excellent blog post on a survey carried
Since never changing your password isn’t generally a realistic option, and some sites actually prevent you from using good passwords and, even better, passphrases, we’ve produced a number of articles and papers on the topic to help make it easier to follow good practice, even when your provider seems set on preventing it. Here they are as a list, to make it easier to follow.