What is it with wi-fi security?

Despite a significant number of well published flaws and, more significantly, well published levels of ignorance surrounding the secure configuration of wi-fi networks, a majority of wi-fi networks still lack adequate protection.

And even more worrying, is the number of wi-fi security gaffes at this year's CeBIT. You'd have thought that participants in the king of techie conferences would have a clue about security, wouldn't you?