http://www.informationweek.com/news/security/attacks/showArticle.jhtml?articleID=225702415 

By Paul McDougall
InformationWeek
July 6, 2010

Apple said Tuesday that it removed a seller from its online applications 
store after discovering that he gamed the store's sales ranking system 
to make it appear as though his e-books accounted for 42 of the site's 
top 50 electronics books.

Apple said the hack was carried about by a developer named Thuat Nguyen.

"His apps were removed from the App Store for violating the developer 
Program License Agreement, including fraudulent purchase patterns," 
Apple said in a statement.

The company did not provide details about how Nguyen managed to rig its 
sales data. Some observers are speculating that he merely manipulated 
sales figures, while others believe Nguyen may have actually gained 
access to App Store user accounts to make unauthorized purchases.

[...]


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