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Authentication Series

November 19, 2024by Robert Broeckelmann
  • Authentication
  • Series

Barcode / Christiaan Colen

This is a collection of blog posts I’ve written on the topic of authentication.

Check out:

  • Authentication vs. Federation vs. SSO
  • Design Principals For Seamless User Authentication
  • Static Credentials Must Not Be Used In The Browser
  • Identity Protocols, Hosted Login UIs, and Custom Login UIs
  • OpenID Connect (OIDC) and OAuth2 Authentication Libraries
  • Identity Broker: An SSO Protocol Transition From OpenID Connect To WS-Federation
  • Understanding OpenID Connect Series
  • Don’t Use Source IP Addresses As The Primary Authentication Mechanism
  • Multi-Factor Authentication (MFA): Don’t Let Your CyberSecurity Insurance Claim Get Denied On Preventable Details and Fine Print
  • Understanding Unauthenticated Traffic: How Applications and APIs Represent The Unauthenticated User

Originally published on Medium.

More articles

Firebase API Keys: Got a Callback From A Potential Client

September 21, 2026
  • Access Tokens
  • Authentication
  • Authorization

I originally wrote this post about six months ago. Variations of this story have been published many times this year.

Read article →: Firebase API Keys: Got a Callback From A Potential Client

MCP Governance: Part2

September 21, 2026
  • LLMs
  • Model Context Protocol
  • AI

This is the second part of a series on the topic of MCP Governance. Check out MCP Governance: Part 1 to start at the beginning.

Read article →: MCP Governance: Part2

Cryptographic Commitments: I Promise I’m Not Changing My Answer

September 19, 2026
  • Identity & Access Management
  • Cryptography

There are a few cryptographic primitives that sound considerably more complicated than they actually are.

Read article →: Cryptographic Commitments: I Promise I’m Not Changing My Answer
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