We manage and operate the Czech national domain CZ. We provide coordination of CSIRT.CZ security incidents and central user authentication service mojeID. We develop software and hardware in a number of open-source projects, such as Knot DNS, BIRD, Turris and Tablexia.

I develop web applications, I am interested in their security. I want to teach web developers to build more secure and powerful websites and applications.

We offer services of a programmer with a focus on the PHP language.