OWASP API Security Top 10 2021/2023/2025 with Java Examples

Job-Ready Skills for the Real World

OWASP API Security Top 10 2021/2023/2025 with Java Examples 1

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Learn OWASP Top 10 2017, 2021, 2023 & 2025. Understand the most critical Security Vulnerabilities in Web Applications

Length: 30.3 total hours

4.48/5 rating

24,271 students

September 2025 update

Add-On Information:

Course Overview
- Embark on a comprehensive journey to master the critical security vulnerabilities impacting modern web applications, with a specific focus on API security.
- This course provides an in-depth exploration of the evolving OWASP Top 10 lists, spanning historical context (2017) to the latest and anticipated future trends (2021, 2023, and predictive 2025).
- Gain actionable insights into preventing and mitigating the most prevalent security risks through hands-on demonstrations and practical application using Java.
- Develop a robust understanding of secure coding principles tailored for web application development, ensuring the creation of resilient and protected software.
- Explore the fundamental concepts of threat modeling to proactively identify and address potential security weaknesses in the design phase.
- Learn to integrate security best practices into your team’s development lifecycle, fostering a culture of secure design and implementation.
- Acquire the knowledge to adhere to established security guidelines and industry standards, elevating the security posture of your projects.
Target Audience & Learning Objectives
- Ideal for developers, security engineers, architects, and anyone involved in building or securing web applications and APIs.
- Understand the nuances and evolution of OWASP Top 10, specifically emphasizing the critical API security concerns.
- Develop the ability to identify, analyze, and remediate common web application and API vulnerabilities.
- Cultivate a proactive security mindset, shifting from reactive patching to preventative secure coding.
- Enhance your skill set in building and deploying secure Java-based web applications and APIs.
- Contribute to the creation of secure software by implementing best practices and effective security processes.
- Become a more valuable asset to your organization by possessing specialized knowledge in application security.
Key Learning Pillars & Methodologies
- Vulnerability Deep Dives: Go beyond surface-level explanations to understand the root causes, attack vectors, and impact of each OWASP Top 10 category.
- Practical Exploitation & Mitigation: Witness real-world attack scenarios and learn proven techniques to prevent and defend against them.
- Java-Centric Security: All security concepts are reinforced with practical, runnable Java code examples, demonstrating secure and insecure implementations.
- Secure Design Principles: Understand how to architect and design applications with security built-in from the ground up, not as an afterthought.
- Process Integration: Learn how to embed security considerations into development workflows, team collaboration, and project management.
- Threat Landscape Awareness: Stay ahead of emerging threats and understand the rationale behind the latest OWASP Top 10 revisions and predictions.
- Hands-on Labs & Exercises: (Implied by practical examples) Engage with interactive exercises to solidify your understanding and practical skills.
Requirements / Prerequisites
- Foundational Java Programming Knowledge: Familiarity with core Java concepts, syntax, and basic programming constructs is essential.
- Basic Understanding of Web Applications: Conceptual knowledge of how web applications function, including client-server architecture, HTTP requests/responses.
- Familiarity with Development Environments: Comfort using an Integrated Development Environment (IDE) like Eclipse, IntelliJ IDEA, or VS Code for Java development.
- Command-Line Interface (CLI) Basics: Ability to navigate and execute commands in a terminal or command prompt.
- Enthusiasm for Security: A genuine interest in learning and applying security principles to software development.
- No Prior Security Expertise Required: The course is designed to build security knowledge from a foundational level, assuming no prior specialized security training.
Skills Covered / Tools Used
- OWASP Top 10 Proficiency: Comprehensive understanding and application of all OWASP Top 10 categories (2017, 2021, and future insights).
- Secure Coding in Java: Expertise in writing Java code that avoids common vulnerabilities.
- API Security Best Practices: Deep knowledge of securing RESTful APIs, microservices, and other API architectures.
- Threat Modeling Techniques: Ability to perform and leverage threat modeling for secure design.
- Security Testing Concepts: Understanding of how to identify vulnerabilities through various testing methods.
- Java Development Tools: Practical experience with common Java IDEs and build tools.
- HTTP Protocol Analysis: Ability to understand and analyze HTTP traffic for security flaws.
- Security Standards Adherence: Knowledge of how to comply with industry security guidelines.
Benefits / Outcomes
- Enhanced Career Prospects: Become a more sought-after developer or security professional with in-demand application security skills.
- Reduced Security Incidents: Significantly decrease the likelihood of security breaches and data compromise in your applications.
- Improved Code Quality: Develop more robust, reliable, and secure software.
- Cost Savings: Prevent costly security incidents, remediation efforts, and reputational damage.
- Confident Security Stance: Approach application development with a strong understanding of security risks and mitigation strategies.
- Contribution to Secure Software Ecosystem: Play a vital role in building a more secure digital world.
- Up-to-Date Knowledge: Be informed about the latest OWASP recommendations and anticipate future security challenges.
PROS
- Comprehensive Coverage: Spans multiple OWASP Top 10 versions, providing historical context and future foresight.
- Practical Java Focus: Tangible examples make abstract security concepts easy to grasp and implement.
- API Security Emphasis: Addresses a critical and growing area of concern in modern development.
- Expert-Led Instruction: (Implied by course structure and rating) Benefit from experienced instructors.
- High Student Satisfaction: A strong rating indicates effective teaching and valuable content.
CONS
- Potential for Information Overload: The extensive coverage of multiple OWASP versions might require dedicated study time to fully absorb.