Securing Web Apps

Presented at DEF CON 30 (2022), Aug. 13, 2022, 2 p.m. (240 minutes)

Attack Web applications with: command injection, SQL injection, Cross-Site Request Forgery, Cross-Site Scripting, cookie manipulation, Server-Side Template Injection, and more. We will also exploit Drupal and SAML. We will then implement network defenses and monitoring agents. We will use Burp, Splunk, and Suricata. We will also perform attacks on a vulnerable API. This workshop is structured as a CTF competition, to make it useful to students at all levels. We will demonstrate the easier challenges from each topic, and detailed step-by-step instructions are available. We will have several instructors available to answer questions and help participants individually. Every participant should learn new, useful techniques. Materials: Any computer with a Web browser. Prereq: Beginners are welcome. Familiarity with web technologies is helpful but not necessary.

Presenters:

  • Sam Bowne - Instructor
    Sam Bowne has been teaching computer networking and security classes at City College San Francisco since 2000, and is the founder of Infosec Decoded, Inc. He has given talks and hands-on trainings at Black Hat USA, RSA, DEF CON, DEF CON China, HOPE, and many other conferences. Credentials: PhD, CISSP, DEF CON Black Badge Co-Winner
  • Elizabeth Biddlecome - Consultant and Instructor
    Elizabeth Biddlecome is a consultant and instructor, delivering technical training and mentorship to students and professionals. She leverages her enthusiasm for architecture, security, and code to design and implement comprehensive information security solutions for business needs. Elizabeth enjoys wielding everything from soldering irons to scripting languages in cybersecurity competitions, hackathons, and CTFs.
  • Irvin Lemus - Instructor
    Irvin Lemus has been in the industry for 10+ years as an MSP technician, consultant, instructor and coordinator. He is currently the cybersecurity professor at Cabrillo College in Santa Cruz, CA. He also is the Bay Area Cyber Competitions Regional Coordinator as well as the contest creator for SkillsUSA CA and FL. Irvin has spoken at various cybersecurity and educational conferences. Irvin holds a CISSP and a Bachelor's Degree in Information Security.
  • Kaitlyn Handleman - Security Engineer
    Kaitlyn Handelman is a security engineer and consultant, defending high-value networks professionally. She has extensive experience in aerospace, radio, and hardware hacking. Industry credentials: OSCP, OSED

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