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Es werden Posts vom September, 2016 angezeigt.

Hacking PayPal's Express Checkout

Do you know what is happening in the background when you buy something in an online shop using PayPal?
In this post we will tackle the following problems: How can PayPal's API be tested? How does PayPal's Express Checkout work? You can find the detailed report here. How can we debit more money than authorized?