Here's an interesting short article (http://www.sciam.com/article.cfm?chanID=sa006&articleID=000D93A5-7CBC-14E3-BAEC83414B7F0000&pageNumber=1&catID=2) on some basic internet security flaws.

That's the whole problem, the internet was developed 30 years ago and has slowly evolved into this "thing" with no one really in charge of it's development, technology or distribution. As the author points out, where's the profit for most industries to do anything about security and/or secure IP protocol.