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<p><b>Lesson Plan Title: </b>Insecure Client Storage</p>
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<p><b>Concept / Topic To Teach:</b> </p>
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It is always a good practice to validate all input on the server side.  Leaving the
mechanism for validation on the client side leaves it vulnerable to reverse
engineering.  Remember, anything on the client side should not be
considered a secret.
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<p><b>General Goal(s):</b> </p>
For this exercise, your mission is to discover a coupon code to receive an unintended
discount.  Then, exploit the use of client side validation to submit an order with a
cost of zero.