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

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 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.