Application security is becoming a more and more important topic on a day-to-day basis. Unauthorized access to protected data can potentially cost millions of dollars in the form of various financial penalties. Almost every application needs some reliable tool to manage its users’ identities and accesses. There are a bunch of solutions on the market — both free and paid — that promise to provide such features. In today’s article, I will try to present you one of these tools, which as you probably guess from the title, will be Keycloak. I hope that this article will give you a better understating of its basics and why it may be profitable for you to get more familiar with it. As usual, I will start with a short description of what Keycloak exactly is.
Before we start — a quick disclaimer