Udemy

Crack the Code: Mastering the OWASP Top 10 version 2021-2025

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  • 10,248 Students
  • Updated 4/2025
4.3
(5,050 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
1 Hour(s) 42 Minute(s)
Language
English
Taught by
Jim Manico
Rating
4.3
(5,050 Ratings)

Course Overview

Crack the Code: Mastering the OWASP Top 10 version 2021-2025

From Theory to Practice: Real-World Tactics for Securing Modern Web Applications

Welcome to this beginner course on the OWASP Top 10, as it was last updated in 2021 almost beginning of 2022. This course has no technical prerequisites, it is truly meant for everyone. Whether you are a risk manager, an auditor, a cybersecurity professional, or maybe you are a software developer or simply curious on application security and looking for an introduction to the OWASP Top 10: This course is for you!

In this course you will learn a little bit about the OWASP Foundation and how you can be part of this opensource community. We are going to learn what are the OWASP Top 10 risks of 2021 and how this list of risks gets periodically updated.

For each of the OWASP Top 10 risks, we are going to look at the key information security concepts, so that you better understand the definition of each risk. Then we are going to – together – define each risk – and we are going to do this in layman’s terms, so that you really understand each risk.

We are also going to look at the main challenges that developers and others face that cause each risk. Finally, we are going to give examples of good and bad code using pseudocode and we are going to conclude with some of the best protection practices to help you and your team avoid each risk from materializing.

Course Content

  • 1 section(s)
  • 12 lecture(s)
  • Section 1 Introduction to the OWASP Top 10 - 2021

What You’ll Learn

  • Some of the best protection strategies that help avoid each OWASP Top 10 risk from materializing
  • The main challenges that cause each OWASP Top 10 risk
  • Examples of good and bad code for each OWASP Top 10 risk using pseudocode
  • Definition of each of the OWASP Top 10 risk
  • What are the key information security concepts required to understand each OWASP Top 10 risk
  • What are the OWASP Top 10 risks and how this list gets periodically updated
  • What is the OWASP Foundation and how you can be part of this open-source community


Reviews

  • P
    Przemyslaw Pachecki
    5.0

    Great for basic understanding OWASP principles.

  • L
    Leandro E. Iriarte
    4.5

    Stay curious, keep learning, and build security into everything.

  • J
    Jarl Lindrud
    3.0

    Quizzes were just testing memorization of factoids. Acronyms appear contrived and not something one would remember for more than the duration of the training. Would have been more interesting and educational to dig into detailed examples of security vulnerabilities and attack vectors.

  • R
    Ricardo Mora
    5.0

    This course offers a comprehensive and well-structured overview of the OWASP Top 10 vulnerabilities, updated for the 2021–2025 edition. The instructor presents complex security concepts in a clear and accessible manner, making it suitable for both aspiring developers and seasoned IT professionals. Practical examples and hands-on exercises enhance understanding and retention. Highly recommended for those seeking to strengthen their application security knowledge in today’s evolving threat landscape.

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