Computer security consultancy in the field of scanning and penetration testing of computers and networks to assess information security vulnerability; Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; Computer security consultancy in the field of wired and wireless networks, smart devices; Development of security systems and contingency planning for information systems; Development of software for secure network operations; Maintenance of computer software relating to computer security and prevention of computer risks; Providing on-line non-downloadable software for control of access to and for analysis of security risks to computer systems, industrial control systems; Software as a service (SAAS) services featuring software for computer network security and software for control of access to and for analysis of security risks to computer systems, industrial control systems; Technical support, namely, monitoring technological functions of computer network systems; Updating of computer software relating to computer security and prevention of computer risks