Computer security consultancy; Computer security consultancy in the field of scanning and penetration testing of computers and networks to assess information security vulnerability; Computer security consultancy in the field of threat analysis; Computer security threat analysis for protecting data; Computer simulation based on computer programs for others; Data security consultancy; Development of customized software for others for use in risk assessment, information security, business analysis, audit and audit planning, and sales management; Internet security consultancy; Maintenance of computer software relating to computer security and prevention of computer risks; Testing of security systems; Updating of computer software relating to computer security and prevention of computer risks