title: Hacked asp.net dnn site
body: <p>I'm have dotNetNuke website.
  Somebody upload "i.htm" file to my website files folder.
  In file wrote about "Mr.Kro0oz.305".
  I'm can't understand how can be done that.
  So you hove some versions how can do it by hackers?
  Also how can set my server more secure?</p>