Tag: Authentication

All the articles with the tag "Authentication".

• Authentication vs Authorization: Backend Interview Guide

  Updated

  Updated: 30 Aug, 2026

  By Pratik Bhuite | 22 min read

  Series: Backend Interview Mastery

  Master authentication vs authorization for backend interviews, including 401 vs 403, sessions, JWTs, API checks, and permission models.

  • Web Fundamentals
  • Authentication
  • Authorization

• How JWT Works: Header, Payload, Signature and Security

  Updated

  Updated: 30 Aug, 2026

  By Pratik Bhuite | 20 min read

  Series: Backend Interview Mastery

  Learn how JWT works for backend interviews: header, payload, signature, expiry, validation, key rotation, and API security pitfalls.

  • Web Fundamentals
  • JWT
  • Authentication

• JWT vs Session Authentication: Complete Comparison

  24 Mar, 2026

  By Pratik Bhuite | 25 min read

  Series: API and Backend Basics Series

  Learn JWT vs session authentication with security, scalability, revocation, cookies, refresh tokens, and real API use cases.

  • Web Fundamentals
  • Authentication
  • JWT