42 Provision of software in relation to computer, data, network security by SaaS provider; provision of computer program for platform construction for provision of SaaS application; providing on-line non-downloadable software for use in computer security, data security, network security; providing on-line non-downloadable software for monitoring, filtering and reporting of message/files/programs/data that were retrieved and received from computer and computer network; providing on-line non-downloadable software for computer data security; providing on-line non-downloadable software for limitation of access to protect data; provision of computer program and information relating to computer viruses, including their varieties, special characteristics, tendencies, examples of invasion and infections, removal methods, preventative steps, methods for dealing with viruses