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On backend I am using java. I have a game in HTML5; when user completes it I sends an Ajax call to save the score to database. Now, someone can easily use tools like Fiddler and firebug to modify this ajax request and send a much better score to the server. How do I make sure that user cannot manipulate scores !

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Take a look at this HTML5 Web DB Security on Stackoverflow – Anagio Oct 15 '12 at 16:48

closed as off topic by Anagio, John Conde Oct 15 '12 at 16:48

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