Presentation by Charl van der Walt at INFO SEC Africa 2001. The presentation begins with a case study of a DoS attack launched on a number of high profile sites by the canadian teen "Mafiaboy". An explanation of DoS and DDoS given. The impact of DDoS in South Africa is also discussed. The presentation ends with a series of discussions on DDoS countermeasures.

1. Denial of Service: Limiting the Threat

3. Hi! All about me.

5. Ooh! Die bang-maak goed

6. February Fun

9. Future Imperfect - predictions 2001 Peter G. Neumann SRI International We are likely to see some organized, possibly collaborative, attacks that do some real damage, perhaps to our critical infrastructures, perhaps to our financial systems, perhaps to government systems all of which have significant vulnerabilities.

10. Future Imperfect - predictions 2001 Bruce Moulton Fidelity Investments Hactivism and other cyber attacks emanating from countries with weak or non-existent legal sanctions and investigative capabilities will escalate. This is likely to be the root of at least one headline-grabbing cyber incident (much bigger than DDOS or LoveBug) that will send a loud wake-up call to the commercial sector.

11. Future Imperfect - predictions 2001 Marcus H. Sachs US Department of Defense 2001 will also see continued development of distributed denial of service attack networks. These attack networks will no longer rely on manual establishment by the attacker, but will automatically establish themselves through the use of mobile code and html scripting.

12. The Nuts & Bolts Stuff

13. Understanding the ‘Net

18. DoS using Amplifiers - SMURF check: www.netscan.org

20. New Kid on the block - DDoS

26. Boom! Assesing the impact

29. Whoah Cowboy! icsa.net, February 2000: „ The Internet has now taken a drastic "hit" to its reliability and integrity due to the recent DDoS attacks. It is only through the cooperation and unification of all Internet users that we will find the solution-and stop DDoS from taking the Internet out from under our commerce, education, communities, and individuals.“ But has it really been all that bad?

30. Pow! Fighting back

38. Getting Greasy

40. Interesting other stuff

45. questions?