OrbitTest
Dev Tools Mobile Client

Category

Web Security

Authentication, authorization, and application security — OAuth 2.0, OpenID Connect, PKCE, tokens, sessions, and secure-by-default patterns for modern apps.

Diagram showing an access token expiring after 15 minutes, triggering a silent refresh using the refresh token, and a brand-new access token being issued without the user ever seeing a login screen
Web Security July 24, 2026 14 min read

Access Token vs Refresh Token Explained (In Plain English)

A simple, beginner-friendly guide to access tokens and refresh tokens — the real difference, what happens the moment an access token expires, how the refresh token quietly logs you back in, and what actually happens if a token gets stolen.

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JWT authentication structure — a JSON Web Token split into header, payload, and signature, sent as an Authorization Bearer token
Web Security June 26, 2026 18 min read

JWT Authentication: The Complete Guide

A complete, beginner-friendly guide to JWT authentication — how JSON Web Tokens are built, signed, and verified, plus storage, refresh tokens, security pitfalls, and how to test them.

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API authentication concepts: a JWT split into header, payload, and signature, with an Authorization Bearer header
Web Security June 22, 2026 15 min read

API Authentication Explained: OAuth, JWT & Tokens

A clear, practical guide to API authentication — Basic Auth, API keys, bearer tokens, JWT, and OAuth 2.0 — plus encoding vs encryption vs hashing and how to test it all.

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Diagram of the OAuth 2.0 Authorization Code flow with PKCE showing the code verifier, code challenge, and token exchange
Web Security June 16, 2026 9 min read

Authorization Code Flow with PKCE: A Complete Guide

A clear, step-by-step guide to the OAuth 2.0 Authorization Code flow with PKCE — what the code verifier and code challenge are, the attack PKCE prevents, and why it's the modern default for mobile, SPAs, and web apps.

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