Recent Blog Posts
KeycloakCon Europe 2026 in Amsterdam
💥 I’m excited to announce, that I’m speaking at KeycloakCon Europe, 23 March in Amsterdam! 💥
Read more »OAuth2 and OIDC vulnerable?
A few weeks ago I attended a conference talk, where the speaker teased to me in advance, that she will talk about a possible OAuth vulnerability, a combination of open redirects and no proper redirect uri check. That caught my attention…
Read more »KEYCLOAK Friday live chat Xmas edition - Auth.it w/ GR Patil from Phase Two
This was the Xmas edition of the KFC - KEYCLOAK Friday Chat session, live on YouTube! My new KEYCLOAK community chat format.
Read more »KEYCLOAK DevDay 2026 Schedule is ready!
We (Niko and Sebastian) want to give you the chance to grab one of the last available tickets for the KEYCLOAK DevDay 2026! DevDay is taking place for the third time, on March 5th and 6th, 2026. Again in Darmstadt, Germany, just 30 minutes away from Frankfurt/Main, see https://www.keycloak-day.dev for details.
Read more »KFC - the KEYCLOAK Friday live chat sessions
Today, I started a new interactive online format live on LinkedIn events:
Read more »All Blog Posts / Archive
Read all of my blog posts, find them either by tag or chronological: