This master thesis is concerned with the information security on a specific primary school. In the first and second part of this thesis there is an endeavor to provide basic theoretical starting points about ISMS issues, and to get an overview about the current state of the information security at the primary school. This is followed by the practical part where there is the proposal of suitable security steps and recommendation for solution of the most important tasks from the ICT management security perspective.

This thesis deals with the introduction of information security management system in IT enterprise. It includes theoretical knowledge which are necessary for the understanding of this issue and their application for the analysis of the current state of information security, risk analysis and risk management. Last but not least for the actual implementation of information security management system in the company. The implementation of ISMS was divided into two phases. This thesis details the first phase.