Dr. Sarah Chen

Cryptography & Web Security Expert

Biography

Dr. Sarah Chen is a renowned cryptography researcher and web security expert with over 15 years of experience in information security. She holds a Ph.D. in Computer Science from MIT, where her research focused on applied cryptography and secure systems design.

Professional Background

Sarah has worked with major technology companies including Google and Microsoft, where she led security architecture teams and conducted security assessments of large-scale systems. She has discovered and responsibly disclosed numerous vulnerabilities in popular web applications and protocols.

Expertise Areas

  • Applied Cryptography
  • Web Application Security
  • Secure Systems Design
  • Security Architecture
  • Vulnerability Research

Teaching Philosophy

“Security is everyone’s responsibility. My goal is to make complex security concepts accessible to developers and help them build secure systems from the ground up. I believe in hands-on learning and real-world examples.”

Achievements

  • Published 20+ peer-reviewed security papers
  • Featured speaker at Black Hat, DEF CON, and RSA Conference
  • OWASP Top Contributor (2020-2023)
  • Author of “Modern Web Security” (O’Reilly, 2022)
  • Bug bounty earnings: $500,000+

Courses

Sarah teaches multiple courses at BLT University focusing on web security and cryptography, bringing her industry experience and research insights to every lesson.