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Towards Evidence-Based Security: Enhancing Cyber Defense With Real-World Data

Explore the concept of Evidence-Based Security, its importance in addressing cyber threats, and how to implement it effectively. Learn why gathering data and testing hypotheses are crucial for improving cybersecurity practices. Discover the origin of Evidence-Based Security and how it can revolutionize defense strategies against evolving threats. Join industry experts as they delve into practical applications and the shift towards evidence-driven decision-making in cybersecurity.

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Towards Evidence-Based Security: Enhancing Cyber Defense With Real-World Data

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Presentation Transcript

  1. Towards Evidence-Based Security • Adam Shostack • ShmooCon ‘05 • Slides at • http://www.homeport.org/~adam/shmoocon/

  2. Speakers • Crispin Cowan • Al Potter • Ed Reed • Adam Shostack

  3. Outline • Adam’s 10 minutes • What is Evidence Based Security • Why we need it • What EB Security is Not • What We Need to Make EB a reality • Crispin, Ed, Al • You All

  4. Are We Successful? • Morris Worm used buffer overflows, bad passwords, and sendmail to spread in 1989 • 16 years later, sendmail is fixed • Worms, phishing, spyware • Social engineering • Litany of problems gets no shorter

  5. Origin of EB • A desire to do better • Question why we’re not • Apply scientific method: • Testable hypotheses • Occam’s Razor

  6. Origin of the EBies • From medical community • Doctors got tired of folk remedies • Get outcome oriented • Apply scientific method

  7. What Is EB? • Hypothesize, test, repeat • Look to real world • Normalize for deployment? • Smaller and larger tests • Deployed systems survivability time? • Does this system survive this attack?

  8. What EB Is Not • Process Oriented • Stacks of paper don’t defend systems • Al & Crispin to cover? • Proof Oriented • Computers are not mathematical systems • Proofs rarely relate to real world security

  9. What EB Needs • Welcome the idea we’re doing badly • Gather data — Lots of it • If you buy, start asking for evidence • If you research, start looking for evidence

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