42 Development of IT security software; development of computer software for security management; data security services; design and development of electronic data security systems; provision of security services for computer networks, computer access and computerised transactions; data encryption and decoding services; data encryption services; software as a service; software design and development; software authoring; design and development of operating system software; programming of software for internet platforms; hosting computer application software in the field of knowledge management for creating searchable databases of information and data; design and development of computer game software; developing and updating computer software; design, maintenance, rental and updating of computer software; application service provider (ASP); creation, design, development, and maintenance of web sites; cloud computing services; platform as a service [PaaS].