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Standard Classification: Back to Basics: Looking for subtle bugs in beginne...

Talkat OWASP 20th Anniversary 2021 · on Friday, 2021-09-24· [security, developer-experience]
slides:none on file

Shows concrete failures: an authentication bypass via fail-open logic where a constructor defaults a flag to false and five authentication methods let requests through, an XML billion laughs expansion that causes DoS, missing rate limits and unbounded loops that exhaust resources, and overcomplex regexes and Yoda-style conditionals that hide flaws. Recommends front‑loading validation and notes static analysis lacks the context to catch these mistakes, with real Azure management interface misconfigurations cited as working exploits.

AI-written summary · about

  1. 0:00Intro
  2. 2:07Overview
  3. 2:32Clarity
  4. 3:06Inscrutable
  5. 3:21Expressions
  6. 5:30Lesson 1 Clarity
  7. 6:15Lesson 2 Inversion Selection
  8. 7:39Lesson 3 Selection
  9. 10:54Summary
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