Secure Code in Java and Spring Boot: Build Resilient Apps

Learn to write secure, robust Java and Spring Boot code by applying real-world security best practices and patterns

What you'll learn
Understand the fundamentals of secure coding in Java
Protect REST APIs using Spring Boot best practices
Implement authentication and authorization with JWT and OAuth2
Use Spring Security for access control and protection
Prevent SQL Injection using JPA and Hibernate
Mitigate Cross-Site Scripting (XSS) attacks
Understand and defend against Cross-Site Request Forgery (CSRF)
Manage sessions and cookies securely
Apply encryption and hashing (e.g., AES, bcrypt)
Store secrets and configuration data securely
Implement role-based and permission-based access control
Configure and enforce proper CORS policies
Validate and sanitize user input effectively
Detect and fix common security vulnerabilities in code
OWASP Top 10
Resilience4j + Spring Boot
How to write resilient code
Load Balancing
Microservices patterns
Apply secure development lifecycle (Secure SDLC) principles

Requirements
Solid understanding of Java (Java 8 or higher)
Basic experience with Spring Boot
Familiarity with REST APIs
Knowledge of Maven or Gradle
Basic understanding of web application architecture
Comfort with using Git and version control
Basic knowledge of HTTP, JSON, and XML
Willingness to learn secure coding best practices

Description
Secure Code in Java and Spring Boot is the ultimate guide for developers who want to write production-ready, secure applications using industry-standard tools and best practices. Security is no longer optional - it's a critical part of every developer's skill set. This course gives you the deep, practical knowledge you need to write code that defends itself.You’ll learn how to protect your Java and Spring Boot applications from the most dangerous vulnerabilities: SQL injection, XSS, CSRF, insecure deserialization, misconfigured authentication, broken access control, and more. You'll go far beyond theory—each topic is backed by hands-on examples and real-world scenarios.What makes this course different?This course is designed by Andrii Piatakha, a best-selling instructor on Udemy with over 1,000,000 students worldwide. Andrii is known for his unique and proven methodology that perfectly blends clear theoretical explanations with deep practical exercises. His teaching style helps students internalize complex security concepts through action, not just memorization.You won’t just learn how to avoid insecure code - you’ll learn how to write secure, efficient, and maintainable Java and Spring Boot applications that are ready for production and compliant with modern security standards like OWASP Top 10.You will learn how to:Implement strong authentication and role-based access control with Spring SecurityProtect APIs with JWT, OAuth2, and secure token handlingPrevent SQL injection using JPA, Hibernate, and parameterized queriesAvoid Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF)Use encryption and hashing (e.g. AES, bcrypt) the right waySecure microservices communication and configurationValidate and sanitize user input effectivelyHandle secure file uploads and prevent injection attacksStore credentials and secrets safelyApply Secure Development Lifecycle (SDLC) practicesUse automated tools to detect vulnerabilities in your code and dependenciesWho is this course for?Whether you're a backend developer, tech lead, software engineer, or DevSecOps professional - if you’re working with Java and Spring Boot, this course is for you. You’ll gain immediately applicable skills to level up your security posture and reduce risk in your applications.By the end of this course, you'll not only understand how to prevent the most critical security issues in Java and Spring Boot - you’ll also be confident in building secure applications from day one.Join over 1 million developers who’ve already leveled up with Andrii Piatakha’s courses. Start writing secure code today.

Who this course is for:
Java developers who want to write secure code, Spring Boot developers looking to enhance application security, Backend engineers responsible for API protection, Software engineers working on enterprise Java applications, Developers preparing for security-focused roles, Teams adopting secure development lifecycle practices, Tech leads enforcing coding standards and security guidelines, DevOps engineers interested in secure deployment practices, QA engineers testing for security vulnerabilities, Anyone aiming to prevent common security issues in Java and Spring Boot projects