[NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak — 91% OFF Coupon

Full Stack Angular + Spring Boot 3 + Microservices Security OIDC, RBAC Social Login CSRF COSRS Pre/Post Authorize POC's

★4.9 out of 5
150 students
Created by Code Decode
English
Updated April 2026

Quick Facts — [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak Overview

Here's a quick overview of everything you need to know about [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak before you enroll:

•Course Name: [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak
•Platform: Udemy
•Instructor: Code Decode
•Coupon Last Verified: April 30, 2026
•Level: All Levels
•Topic: Development
•Subtopic: Web Development
•Total Time: 13h 30m of video content
•Language: English
•Access Type: Unlimited lifetime access + updates
•Certificate: Included upon completion from Udemy
•Main Skills: MASTER SPRING SECURITY 7 architecture including Authentication, Authorization, Security Filter Chain, and internal request flow · IMPLEMENT USER AUTHENTICATION using UserDetailsService, PasswordEncoder, and database-backed user management · UNDERSTAND ROLES vs AUTHORITIES and implement RBAC (Role-Based Access Control) & ABAC in real applications
•Requirements: Basic knowledge of Java and Spring Boot · Basic understanding of REST APIs and HTTP concepts
•Current Price: $12.99 (was $149.99). You save $137.00 with 91% discount.
•How to Apply: Click the coupon button to activate your discount automatically
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Skills You'll Master in This Course

By the end of [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak, you'll have these practical skills:

✓MASTER SPRING SECURITY 7 architecture including Authentication, Authorization, Security Filter Chain, and internal request flow .
✓IMPLEMENT USER AUTHENTICATION using UserDetailsService, PasswordEncoder, and database-backed user management .
✓UNDERSTAND ROLES vs AUTHORITIES and implement RBAC (Role-Based Access Control) & ABAC in real applications .
✓APPLY ENDPOINT LEVEL SECURITY and METHOD LEVEL SECURITY using @PreAuthorize and @PostAuthorize .
✓UNDERSTAND REQUEST MATCHERS including Ant, MVC, Regex, and modern Spring Security 6 approaches .
✓MASTER OAUTH2 FUNDAMENTALS including actors, scopes, flows, and secure authorization architecture .
✓IMPLEMENT AUTHORIZATION CODE FLOW and PKCE FLOW used by modern web and mobile applications .
✓IMPLEMENT CLIENT CREDENTIALS FLOW for secure machine-to-machine communication .
✓IMPLEMENT REFRESH TOKEN FLOW and understand token lifecycle and security best practices .
✓MASTER JWT SECURITY including token structure, claims, signing, verification, and public/private key cryptography .
✓IMPLEMENT JWT validation using JwtDecoder and JwtAuthenticationConverter in Spring Boot .
✓UNDERSTAND OIDC (OpenID Connect) and how identity layer works on top of OAuth2 .
✓IMPLEMENT SSO (Single Sign-On) architecture using OAuth2 and OIDC .
✓UNDERSTAND CSRF protection and why Spring Security enables CSRF by default .
✓IMPLEMENT CORS configuration and understand cross-origin security behavior .
✓IMPLEMENT AUTH0 including Applications, APIs, Audience, Roles, and Permissions mapping in JWT .
✓IMPLEMENT KEYCLOAK including Realm, Clients, Roles, Groups, and identity provider configuration .
✓IMPLEMENT SOCIAL LOGIN using Google and GitHub with OAuth2 / OIDC .
✓IMPLEMENT RBAC IN MICROSERVICES using roles and permissions extracted from JWT tokens .
✓UNDERSTAND JWT vs OPAQUE TOKENS and when each token strategy should be used .
✓DESIGN END-TO-END SECURITY ARCHITECTURE used in real enterprise applications .
✓BUILD FULL STACK APPLICATION using Angular + Spring Boot secured with Spring Security .
✓BUILD FULL STACK AUTH0 POC implementing login, roles, permissions, and JWT-secured APIs .
✓BUILD FULL STACK KEYCLOAK POC implementing realm, clients, roles, and secured microservices .
✓IMPLEMENT COMPLETE AUTHENTICATION FLOW from frontend login to secured backend APIs .
✓APPLY SECURITY BEST PRACTICES and avoid common mistakes in production systems .
✓UNDERSTAND KEYCLOAK vs AUTH0 differences and when to choose each.

Prerequisites for This Course

Before enrolling in [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak, make sure you have:

•Basic knowledge of Java and Spring Boot
•Basic understanding of REST APIs and HTTP concepts
•Basic idea of Angular or frontend is helpful but not mandatory
•No prior knowledge of Spring Security, OAuth2 or JWT required
•System capable of running Java, IDE and browser

About This Udemy Course

The following is the full official course description for [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak as published on Udemy by instructor Code Decode:

What are we going to cover

Spring Security Basics
  • Master Security
  • Security in Spring Boot & Microservices
  • Why Security for your spring boot app?
  • What is Spring Security?
  • Key Spring Security Concepts
  • Authentication
  • Authorization
  • Servlet Filters
  • What are its alternatives?
  • Security Implementation - Who’s responsibility
  • Let’s get started !
  • Why 401 ?
  • Summary
  • Spring Security: Convention-over-Configuration
  • Key Participants in Authentication Framework
  • Flow of Authentication in Spring Security
  • Spring Security Auto-configured Beans
  • UserDetailsService
  • PasswordEncoder
Spring Security Configuration
  • Introduction to POC 2
  • Overriding Default Configurations
  • Customizing Spring Security Configuration
  • Why Authentication Fails Now
  • Fixing Authentication Step by Step
  • Define User Credentials
  • Adding User to InMemoryUserDetailsManager
  • Defining a PasswordEncoder Bean
  • Why Avoid HTTP Basic Authentication?
User Management
  • User Management
  • User Management Components
  • UserDetails
  • UserDetailsManager
  • User
  • Customising User Details Service
  • POC 3
  • Creating User & Authority Table
  • Mapping User & Authorities table
  • Why Authorities are eagerly fetched
  • Fetch saved Authorities from SecurityContext
Authorization
  • Authorization
  • How Authorization works
  • What are we going to learn
  • GrantedAuthority
  • Difference between Authorities and Roles
  • Authorization implementations level
  • Endpoint Level Authorization
Security Filter Chain
  • Security Filter Chain
  • Defining a Filter Chain
  • Modifying Filter chain
  • Why still 403 ?
  • anyRequest().authenticated()
  • anyRequest().permitAll()
  • anyRequest().hasAuthority()
  • anyRequest().hasAnyAuthority()
  • Role
  • anyRequest().hasRole()
  • anyRequest().hasAnyRole()
  • 401 VS 403
  • anyRequest().access()
  • Advantage of anyRequest().access()
  • Disadvantage of anyRequest().access()
  • anyRequest().denyAll()
Request Matchers
  • Matcher Methods
  • List of All Matcher Methods
  • Request Matcher
  • Request Matcher Methods
  • Real-life analogy
  • How requestMatchers() works in this setting
  • Code Block
Types of Matchers
  • Ant Matcher
  • ANT Matcher Methods
  • Why it was popular
  • Example in Spring Security 5.x
  • Why Deprecated in Spring Security 6+
  • MVC Matcher
  • MVC Matcher Methods
  • Why it was used
  • Regex Matcher
  • regexMatchers()
  • Why use it
  • Dispatcher Type Matcher
  • Purpose - What is DispatcherType
  • Servlet Path Matcher
  • Purpose
  • Is it any relevant in spring boot app?
  • Combining all Matcher methods
Method Level Security
  • Authorization at the method level
  • Where do we stand now?
  • Can Spring Security Be Used in Non-Web Applications?
  • Where Can You Apply Method Security?
  • Why Use Method Security?
  • Role of Authentication in Enabling Method Security
  • Why Not Use permitAll() with Method Security
  • Code snippet
  • Enabling method security
  • New way of enabling Method level Authorization
  • What Happens Behind the Scenes
  • Why Called “Aspect Behind the Scene”?
  • Prevent GOD class with Method level Authorization?
  • Best Practice
  • Priority of Rules: Security Config vs Method-Level Authorization
  • Performance Consideration: Method-Level vs Filter-Level Authorization
  • How Method-Level Security Goes Beyond Filters
  • Multi-line @PreAuthorize for Complex Security Rules
  • Disadvantages of Multi-line rules
  • Moving Beyond SpEL: Bean-Based Security Checks
  • Post Authorize
  • Difference Between @PreAuthorize and @PostAuthorize
Filters in Method Security
  • Pre filter
  • Pre filter - Key Pointers
  • Postfilter - Key Pointers
  • Post Filter Pitfalls
  • PreFilter VS PostFilter
  • @Pre/@PostAuthorize VS @Pre/@PostFilter
OAuth 2 & OIDC Basics
  • OAuth 2 & OIDC
  • Basics
  • Actors/Roles in OAuth2
  • OAuth 2 Flow
  • The OAuth 2.0 Solution
  • Why this is powerful
  • Steps in OAuth 2
  • How to get the token?
  • Heart of how OAuth2 + Spring Security works
  • Grant types
  • Types of Grant types
  • Deprecated Grant types
  • OAuth’s Main Security Principle
  • Why Password Grant Type Is Deprecated
  • Modern Replacement
  • Why Implicit Grant Type Is Deprecated
  • Summary
Authorization Code Flow
  • Authorization Code Flow
  • What Is the Authorization Code Grant Type?
  • Step-by-Step Flow
  • Advantages
  • Disadvantages
Authorization Code Flow with PKCE
  • What is PKCE
  • Why PKCE was introduced
  • The Players
  • Authorization Code Flow with PKCE — Step by Step
  • How PKCE Prevents Attacks
  • How Verifier & Challenge Work
  • Real-World Analogy: The Locker & Key
  • Summary of PKCE Flow
  • Authorization Code vs Authorization Code + PKCE
  • Points to remember
Client Credentials Flow
  • Client Credentials Grant Type
  • What is Client Credentials grant
  • When to use it
  • The Actors
  • Flow (step-by-step)
  • Typical token response
  • Client authentication methods with AS
  • How Scopes → Authorities Mapping Works
  • Scopes & authorities
  • Tokens: JWT vs opaque
  • Security considerations / best practices
  • Pitfalls & gotchas
Refresh Token Flow
  • Refresh Token Grant Type
  • What is a Refresh Token?
  • Why Refresh Tokens Exist
  • Who uses the Refresh Token flow?
  • Refresh Token Grant Type Flow
  • Static (Reusable) Refresh Tokens
  • Rotating (One-time) Refresh Tokens
  • How OAuth2 servers decide
  • What clients must do
  • Key Token Lifetimes
  • Why Refresh Tokens Are Sensitive
  • Refresh Token Flow vs Access Token Flow
Tokens
  • What is opaque token?
  • How opaque token Works?
  • Introspection response
  • Non-opaque tokens vs opaque tokens
JWT
  • JWTs
  • What is a JWT?
  • The basic structure of a JWT
  • How JWT works
  • JWT signing methods
  • Common JWT claims
  • How JWTs are verified
  • Private and Public keys
  • What is /jwks.json?
  • Why JWTs are so popular
  • Limitations / Pitfalls
OIDC
  • OIDC
  • What is OIDC
  • Authorization code flow with PKCE
  • Real-world example (Google Login)
  • Why OIDC exists
  • What OIDC Actually Is
  • Core Components in OIDC
  • ID Token
  • Standard Claims in ID Token
  • OIDC Scopes
  • OIDC Endpoints
  • Benefits of OIDC
  • Common pitfalls
  • Nonce
  • Why Nonce
SSO
  • SSO
  • What is SSO
  • Actors in SSO
  • Steps in SSO
  • Why SSO works
  • Common Pitfalls Of SSO
  • Security benefit of SSO
  • SSO Logout Scenarios
  • Why OAuth2 + OIDC are REQUIRED for SSO
CSRF
  • CSRF
  • What is CSRF
  • Core browser behavior
  • Why CSRF is dangerous
  • How websites stop CSRF
  • Why Spring Security enables CSRF by default
CORS
  • CORS
  • What is CORS
  • Why CORS exists
  • What is an origin
  • CORS Rule
  • Spring Boot CORS config
  • Common CORS mistakes
  • CORS vs CSRF
Full Stack POC
  • Full stack POC
  • Intro to Foodify App
  • UI Of Foodify App POC
  • Backend Of Foodify App POC
  • Auth0 configurations
  • Spring Security Implementation
Auth0
  • What is Auth0
  • Key Components of Auth0
  • What Happens During Login
  • Why Use Auth0
  • MFA
  • Social Login
  • Centralized Identity
  • Developer Productivity
  • When SHOULD you build yourself?
Roles & Permissions
  • What is Authentication vs Authorization?
  • What is OAuth2 / OIDC?
  • Architecture for End to end POC with Auth0
  • What is Application in Auth0?
  • What is API in Auth0?
  • What is Audience?
  • What are Roles?
  • What are Permissions?
  • Roles vs Permissions
  • RBAC
  • Why RBAC is Used
  • Why roles & permissions in JWT?
JWT Processing in Spring Security
  • What is JwtDecoder?
  • What is JwtAuthenticationConverter?
  • What is Authority in Spring?
  • ROLE_ prefix
  • Common Mistakes
Implementation Steps
  • Steps to Implement Spring Security
  • Steps to setup Auth0
  • Steps to add Roles in token
  • What happens in backend
  • FINAL FLOW (END-TO-END)
  • KEY CONCEPTS
  • COMMON MISTAKES
Keycloak
  • Keycloak
  • What is Keycloak?
  • High Level Architecture
  • Core Terminologies
  • Types of Clients
  • Role Types
  • Client Scope
  • Groups
  • Identity Provider (IDP)
  • Flows
  • Keycloak vs Auth0
  • Feature Comparison
  • who should choose Keycloak vs Auth0
Social Login
  • Social Login
  • What is Social Login
  • How Social Login works
  • Benefits of Social Login
  • Configure Identity Providers in Keycloak
  • Google login Steps
  • Github social login steps

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* All prices and ratings are updated daily to ensure accuracy.

Is the [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak Coupon Worth It?

Expert review by Andrew Derek, Lead Course Analyst at CoursesWyn.•Last updated: April 30, 2026.

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak is a high-value resource for learners seeking to build skills inDevelopment. Taught by Code Decode on Udemy, the 13h 30m course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 91%, from $149.99 to $12.99, removing the primary financial barrier to enrollment.

✓What We Like (Pros)

  • Verified 91% price reduction makes this course accessible to learners on any budget.
  • Aggregate student rating of 4.9 out of 5 indicates high learner satisfaction.
  • Strong enrollment base with over 150 students demonstrates course popularity and trust.
  • Includes an official Udemy completion certificate and lifetime access to all future content updates.

!Keep in Mind (Cons)

The following limitations should be considered before enrolling in [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak:

  • The depth of Development coverage may be challenging for absolute beginners without the listed prerequisites.
  • Lifetime access is contingent on the continued operation of the Udemy platform.
  • Hands-on projects and quizzes require additional time investment beyond video watch time.
Final Verdict: Worth It
This course offers exceptional value with current pricing
✓

Course Rating Summary

[NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak has earned an aggregate rating of 4.9 out of 5 from 150 verified student reviews on Udemy. Below is the detailed rating distribution showing learner satisfaction across all star levels.

4.9
★★★★★
150 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy.

About the Instructor — Code Decode

[NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak is taught by Code Decode, a Udemy instructor specializing in Development. For the full instructor biography, professional credentials, and a complete list of their courses, visit the official instructor profile on Udemy.

•Instructor Name: Code Decode
•Subject Area: Development
•Teaching Approach: Practical, project-based instruction focused on real-world application of Development skills.

Frequently Asked Questions

The following questions and answers cover the most common queries about [NEW] Spring Security 7 + OAuth2 + JWT + Auth0 + Keycloak, its coupon code, pricing, and enrollment process.

About the Author

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Andrew Derek

Lead Course Analyst at CoursesWyn with 8+ years of experience evaluating online learning platforms. I've analyzed 500+ Udemy courses and helped thousands of learners choose the right courses for their career goals.

⭐4.8/5 Rating
✓Trusted by 10K+ Students

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