Leasing, in connection with the following goods: multimedia apparatus and hardware; research in the field of telecommunication network security and electronic monitoring services being IT security services; hosting of customized web pages; technological consultancy and technical planning for installations of computer rooms, computer cabinets, computer servers and computers; hosting and rental of memory space for websites; hosting memory space on the internet; providing virtual computer systems and computer environments via cloud computing; electronic data storage and data back-up services; providing and/or designing in connection with the following goods: data security services [firewalls]; computer software design relating to anti-spamming software; computer security system monitoring services; technical design and planning of telecommunication network security and electronic monitoring of multimedia content and computer software installations; providing of security services for computer networks and computer access; providing security services for automated computerised transactions; rental and maintenance of computer software relating to storage places; rental of computer cabinets, computer housings and/or mounting racks for data processing equipment; rental of computer cabinets, computer housings and/or mounting racks for telecommunication hardware and computer hardware; health control, control and certification services in relation to the following fields: telecommunication facilities and the use thereof