If you happen to visit valleyfair.com today you will see a notice indicating that the website may harm your computer. Internet Explorer and Firefox display these messages and so does Google's search results for Valley Fair:
Click this Google Search URL
and here is an image using Internet Explorer to view the warning message:
It is adviced to all to not visit the site unprotected and better yet, not visit it at all until the air has cleared. It is reported that the hack caused the website to load a virus through user's browsers and cause harm to the visitor's computers.
Stay tuned as more information develops on this news.