A Dirty Blackmail Dos Story

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Presented at Blackhat USA 2005 by

This is a real story of modern extortion in a cyberworld. Bots have replaced dynamite and you don't buy "protection" to prevent your shop from going in flames; you buy "consulting" to prevent your IT from beeing DoSed. From the first limited synflood to the conclusion, we will review those crazy 48 hours that end up in a one to one digital fight. We will see in depth which attacks and mitigation techniques where involved and how they both evolved quickly in complexity and intensity. As a conclusion we will see which were the major weaknesses, found either in the network architecture, the security perimeter and the target application, and how it would have been possible to prevent such attack, limit its impact... and save money.