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Network Security

Network Security. Allan G. Dyer CISSP, MHKCS, MIAP, AIDPM, MSc (tech), BSc Past Chair, ISSG, HKCS; President, AVAR adyer@yuikee.com.hk. Education Success. Sven Jaschan German Teenager School Student Wrote software worth >US$157,000. Worldwide Headlines Interview with Stern Magazine

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Network Security

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  1. Network Security Allan G. Dyer CISSP, MHKCS, MIAP, AIDPM, MSc (tech), BSc Past Chair, ISSG, HKCS; President, AVAR adyer@yuikee.com.hk

  2. Education Success Sven Jaschan • German Teenager • School Student • Wrote software worth >US$157,000 • Worldwide Headlines • Interview with Stern Magazine • Job with Securepoint - German IT Security Company

  3. Education Success? • estimated damages of US$157,000 for 4 specimen victims • Created Netsky and Sasser Worms • Arrested May 2004 • Tip-off from school friends • Confessed after arrest • Netsky.Z attacked educational sites: www.educ.ch, www.medinfo.ufl.edu, www.nibis.de

  4. Education Failure • He "had not considered the consequences or the damage" • "everyone in Jaschan's class knew what he was doing" • "some of them helped him distribute [the worms]" • Parents did not recognise the significance: • 'Papa, I've put out a computer worm.' • 'Sven, you didn't do anything stupid, did you?'

  5. Education Improvements • Students need to learn about Information Security and Ethics • Protect Themselves • Respect Others

  6. What Is Information Security? CIA Confidentiality Integrity Availability

  7. Meet The Threats:Viruses, Worms, Trojans

  8. Meet The Threats:Spyware

  9. Meet The Threats:Spam

  10. Meet The Threats:Phishing

  11. Meet The Threats:Criminals

  12. Meet The Threats:Porn Inappropriate Content

  13. "Ordinary" Organisation Internet Firewall

  14. "Ordinary" Organisation • Trusted Users Inside • Users are already Trained • Threats Outside

  15. A School SAMS Internet Firewall Classrooms

  16. A School • Firewall is still a useful control point • Many users (pupils) with minimal computer knowledge • Some users may be mischievous or malicious • SAMS an attractive target

  17. SAMS • Attendance Records • Hide skiving • Sell the service • Test or Exam Results • Personal Details • Intimidate or Blackmail others

  18. SAMS: Gaining Access • Guess Passwords • Unattended Computer • Network Sniffing • Keystroke Loggers

  19. How Young? • Some macro viruses probably written by 10 to 12 year olds • Primary Students… • Joke programs? • Plagiarism?

  20. Are Hackers Evil?

  21. The "Hacker Ethic" • Curiosity • Exploring • Learning • Testing and Pushing Limits • Freedom

  22. HKCERT/CC • Hong Kong Computer Emergency Response Team Coordination Centre • Established February 2001 • Under Hong Kong Productivity Council, funded by Innovation & Technology Fund • Virus Alerts: • http://www.hkcert.org/valert/valert.html • Security Alerts: • http://www.hkcert.org/salert/salert.html

  23. Questions? http://www.yuikee.com.hk/computer/info-ctr/newsletter/

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