Construction and operation of security and network telecommunications infrastructures, namely services for protection against or analysis of unauthorized access or attacks; technical and organizational consulting in the field of computer and network security, including, in particular, those that are of a company-comprehensive type, construction and operation of security structures in the field of information technology, namely services for protection against or analysis of unauthorized access or attacks as well as the implementation of programs in networks and the configuration of networks through programs; construction and operation of network infrastructures, namely the implementation of programs in networks as well as the configuration of networks by software; computer programming; consulting and research services for computer and network infrastructures and their security; expert activity in the field of information technology