Obama, McCain computers hacked by 'foreign entity'

From ComputerWorld, Noverber 5, 2008:

http://www.computerworld.com/action/article.do?command=viewArticleBasic&...

So what might be compromised? Donors? Email lists?

Or did they penetrate so deeply as to pick up communication between key Obama people?

This doesn't seem to be necessarily worrisome. But hopefully Obama will throw out the Republican firm that is handling the email for Congress, etc.