Spring Boot Security: A Comprehensive Guide

Spring Boot Security is a crucial aspect of any Spring Boot application. This article will provide an overview of Spring Boot Security, its best practices, and how to secure your application effectively.

What is Spring Boot Security?

Spring Boot Security is the process of adding the Spring Security framework to your Spring Boot web application¹. It involves various mechanisms, including Basic Authentication, API Keys, JWT, OAuth2-based tokens², and more.

Best Practices for Spring Boot Security

1. Use HTTPS in Production

Using HTTPS in production is a key best practice for Spring Boot Security. It ensures that the data transmitted between the client and server is encrypted and secure.

public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    protected void configure(HttpSecurity http) throws Exception {

2. Test Dependencies and Find Vulnerabilities

Regularly testing your dependencies can help you identify and fix any potential vulnerabilities¹.

3. Enable CSRF Protection

Cross-Site Request Forgery (CSRF) is a type of attack that tricks the victim into submitting a malicious request. Enabling CSRF protection can help prevent these attacks¹.

public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    protected void configure(HttpSecurity http) throws Exception {

4. Use OpenID Connect for Authentication

OpenID Connect is a simple identity layer on top of the OAuth 2.0 protocol. It allows clients to verify the identity of the end-user.

5. Use Password Hashing

Password hashing is a security measure that protects passwords by converting them into unrecognizable strings of characters.

import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

public class PasswordHashingExample {
    public static void main(String[] args) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        String hashedPassword = passwordEncoder.encode("myPassword");


6. Use the Latest Releases

Always use the latest releases of Spring Boot and Spring Security to benefit from the most recent security patches and improvements.

7. Store Secrets Securely

Sensitive information such as API keys and database credentials should be stored securely².

import org.springframework.core.env.Environment;

public class MyService {
    private final Environment env;

    public MyService(Environment env) {
        this.env = env;

    public void doSomething() {
        String secret = env.getProperty("my.secret");
        // ...


Spring Boot Security is a vital part of any Spring Boot application. By following these best practices, you can ensure that your application is secure and robust. Always remember, security is not a one-time task but an ongoing process.


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