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DTA-08AvailableJavaSpring BootSpring SecurityJWTOAuth2Keycloak

Spring Security

Put authentication and authorisation on a real API without inventing your own

Designed for

  • Developers who have shipped an API with no authentication on it
  • Backend engineers who copied a JWT filter from a blog post
  • Anyone who has been asked "how do you handle roles" in an interview
Fee
₹3,000
Duration
20 guided hours
Mode
Online / Offline
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Course curriculum

7 progressive modules

Duration: 20 guided hours

  1. Foundation
  2. Intermediate
  3. Advanced

  1. FoundationSessions 1–3

    The filter chain, and what actually happens on a request

    • The security filter chain in order, and where your code sits in it
    • Authentication compared with authorisation, precisely
    • SecurityContext, principals and how they propagate
    • Configuring HTTP security without copying a config you cannot read
    • Why the default configuration blocks everything, and what that tells you

    What you will build

    One endpoint secured and one left open, with the filter chain printed and each filter's job named.

    Module 1

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Who teaches this

Learn with experienced practitioners

All trainers and mentors
  • Vishal Shah

    Vishal Shah

    Founder & Principal Trainer

    Two decades building and teaching commerce, banking and cloud platforms, and still writing code

    • Java & Spring Boot microservices
    • TypeScript, React, Angular & Next.js
    • Composable commerce (commercetools)
    Full profile →

Detailed course information

Full course brief

Security is the part of a backend most often copied rather than understood. A JWT filter from a blog post works on the happy path and fails in ways nobody notices until an audit.

This week is adversarial by design. You secure an API, then attack it from a second terminal, then fix what broke, and you finish able to say why each control is there, including the OAuth2 flow most courses wave at.

Who this is for

You need a working Spring Boot API. If you do not have one, Spring Boot REST API comes first and builds the service you will secure here.

Where it leads

Group three of Backend Developer (Java) and part of Full-Stack Developer (Java).

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