Computer science and information technology professional activities in the form of legal information systems as the Foundation information service in the penal system include civil, activities of the European court of human rights and implementation in their implementation of the various laws (penal, labor, tax, financial, civil, family, international, etc.)
The article examines and reveals the essence of informatics and information technologies of professional activity on the example of information and legal systems that are an integral information foundation of the service in the penal enforcement system, including civil, the activities of the European Court of Human Rights and the implementation of various legal norms (penal, labor, tax, financial, civil, family, etc.), relations in this aspect, analyzes their significance.