Keymate Blog | Articles and Resources
A password rule that only exists in your signup form is a suggestion, not a policy. Here is how Keycloak enforces password policies server-side, and which rules are worth enabling.
Muhammed Oğuz · Software Engineer
September 2026
What Is IAM? Identity and Access Management ExplainedIdentity and access management decides who gets in, what they can touch once inside, and how you prove later that the decision was right. Here is the whole picture in one page: the vocabulary, the standards, the parts that break, and where access is actually decided.Israfil Coskun
August 2026
Runtime Protobuf Schemas in Keycloak's Embedded InfinispanKeycloak offers no supported, configuration-only way to load runtime-mounted Protobuf schemas into its embedded Infinispan. This post walks through the extension pattern that bridges that gap through ProtoStream's documented initializer lifecycle, reviewed through a security and platform-engineering lens, with a runnable public demo.Ali Tuğrul Pınar
July 2026
Inside Keycloak Authorization: Resources & Policy EngineA deep dive into Keycloak Authorization Services: how Resource Servers, Resources, Scopes, Policies, and Permissions fit together, and exactly how Keycloak decides permit or deny.Eren Kan
June 2026
Latest Posts
Fine-Grained Authorization for AI Agents: How It Works in Production
How Keymate enforces fine-grained authorization for AI agents: declarative policies, a centralized engine, and consistent design-time/runtime enforcement.Hüseyin Akdoğan
June 2026
Why AI Agents Need Fine-Grained Authorization
Authentication tells us who the agent is. The harder question is what data it can reach, under what conditions, and on whose behalf. The April 2026 PocketOS incident, in which an autonomous coding agent deleted a production database in nine seconds, showed what happens when no one is answering it.Hüseyin Akdoğan
May 2026
AI Agent Authorization: From Java Day Demo to Open Source Toolkit
At Java Day Istanbul 2026, we asked one question: once an AI agent has a valid token, who decides what data it can reach? This post recaps what we showed on stage, what we open-sourced afterwards, and how the deeper blog series picks up the thread.Hüseyin Akdoğan
May 2026
Beyond the Default Image: Hardening Keycloak for Enterprise Production
The default Keycloak image is a strong baseline, not a hardened production runtime. Here is how we rebuilt it on Wolfi OS, with three-tier CVE management, non-root execution, and a Quarkus-optimized runtime.Ali Tuğrul Pınar
April 2026
What is Keycloak? A Developer's Introduction to Identity and Access Management
Learn what Keycloak is, how Identity and Access Management works, and why Keycloak is the leading open-source IAM solution for modern applications.Muhammed Oğuz
April 2026
Beyond Bearer Tokens: Implementing DPoP for Modern Enterprise Identity
Bearer tokens are like cash: anyone who holds them can spend them. DPoP (RFC 9449) binds tokens to cryptographic keys so stolen tokens become useless. Here is how we implemented it.Eren Kan
April 2026