George Thomas

George Thomas

Senior IAM Engineer at Skycloak

George is a senior IAM engineer with 23+ years in software engineering, including 14+ years specializing in identity and access management. He designs and modernizes enterprise IAM platforms with deep expertise in Keycloak, OAuth 2.0, OpenID Connect, SAML, and identity federation across cloud and hybrid environments. Previously at Trianz and a long-term contributor to Entrust IAM product engineering, George authors Skycloak's technical Keycloak tutorials.

33 articles published LinkedIn
Keycloak Identity and Access Management OAuth 2.0 OpenID Connect SAML Identity Federation IAM Architecture SSO

Articles by George Thomas

SCIM EntraID to Keycloak

SCIM Provisioning from Microsoft Entra ID to Keycloak 26.6+

4 min read

Learn how to configure SCIM provisioning from Microsoft Entra ID to Keycloak 26.6+, including user sync, deprovisioning, and custom attributes
Claims Mapping

Learning Microsoft Entra ID Through a Keycloak Lens (OIDC)

4 min read

A practical guide for Keycloak professionals learning Microsoft Entra ID, covering claims, app registrations, roles, scopes, and SSO.
Secure your application

Protecting Your Applications with Keycloak: A Beginner’s Guide

9 min read

Learn how to secure applications with Keycloak, map users to local databases, add custom claims, and validate JWTs in Spring…
Secure MCP Server

Securing MCP Servers with Keycloak DCR

5 min read

Learn how to secure MCP servers with Keycloak using Dynamic Client Registration (DCR), enabling anonymous AI agents to authenticate safely.
Keycloakify themes

Customizing Keycloak Themes with Keycloakify in Skycloak

3 min read

Learn how to customize Keycloak themes using Keycloakify and deploy them in Skycloak managed Keycloak environments.
User Federation - LDAP

Keycloak LDAP User Federation Explained

4 min read

Understand LDAP federation in Keycloak with import users, edit modes, synchronization, LDAP mappers, and secure LDAPS setup.
SCIM

SCIM Integration Between Okta and Keycloak

5 min read

Learn SCIM provisioning from Okta to Keycloak with user sync, group sync, OAuth2 setup, and SCIM interoperability insights.
Authentication

Okta vs Keycloak: Policies vs Authentication Flows Details

2 min read

Compare Okta’s policy-based authentication with Keycloak’s flow-based model. Learn how MFA, fallback, and conditional access work in real-world IAM scenarios.
Purple hero banner with the word 'Workflows' in large white text; a white card displaying part of the Keycloak logo is visible below.

Keycloak 26.6+ Workflows: Automating Identity

3 min read

Explore Keycloak 26.6 workflows to automate onboarding, enforce policies, and manage user lifecycle with simple YAML-based automation.
JWT Bearer Token

JWT Authorization Grant in Keycloak with Node.js

3 min read

Learn how to implement JWT Authorization Grant in Keycloak 26.6 using a custom Node.js token issuer, including IDP setup, user…
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