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owasp-top-ten-intro

OWASP Top 10 (Introduction)

Last reviewed Jun 1, 2026 Content v20260601
Track mode
none
Means
Read / quiz
Reading
~1 min
Level
beginner

This lesson

An orientation to the Cybersecurity track—threats, defenses, and habits that protect the apps you already build.

Every feature you ship is an attack surface—security literacy prevents incidents that code reviews alone miss.

You will apply OWASP Top 10 (Introduction) in contexts like: Customer-facing web apps, admin panels, and JSON APIs.

Read scenario-based lessons, map controls to code you write on other tracks, and complete MCQs—practice threat modeling on paper or in docs. Also read the interview prep blocks; sketch a STRIDE table for one feature you maintain.

Alongside backend or web tracks—before handling PII, payments, or production credentials.

The OWASP Top 10 lists the most critical web application risks—use it as a checklist in design and code review.

2021 categories (names vary by version)

  1. Broken Access Control
  2. Cryptographic Failures
  3. Injection
  4. Insecure Design
  5. Security Misconfiguration
  6. Vulnerable and Outdated Components
  7. Identification and Authentication Failures
  8. Software and Data Integrity Failures
  9. Security Logging and Monitoring Failures
  10. Server-Side Request Forgery (SSRF)

How to use

Map each new feature to relevant categories in a 15-minute threat sketch before sprinting.

Important interview questions and answers

  1. Q: OWASP purpose?
    A: Awareness document for prioritizing common web app flaws.
  2. Q: Injection still top?
    A: Remains prevalent—SQL, command, template injection.

Self-check

  1. Name three OWASP categories.
  2. How should teams use the Top 10 in sprints?

Tip: Paste OWASP categories into PR template for features touching auth or PII.

Interview prep

OWASP use?

Prioritize common web application risks.

Interview tip Lesson completion confidence

Can you explain this lesson in 30 seconds without reading notes?

Not saved yet.

Check yourself

Multiple choice — immediate feedback.

Discussion

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Starter discussion topics

  • Top risk category?
  • Use in sprint how?

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