42 Computer security services in the nature of providing digital certificates, providing SSL certificates; authentication services for computer security; technical auditing of companies with respect to cyber security; providing BIMI (Brands Indicator for Message Identification) certificates to securely authenticate the sender of an email; services for certification of messages transmitted by telecommunication; certification of data transmitted by telecommunication; data certification by means of blockchain; testing services for the certification of quality or standards in the field of computing; consultation with respect to computer security; security services for computer networks, computer access and computer-based transactions; monitoring services for computer security systems; Internet monitoring services; computer programming services for electronic data security; professional consulting services in the field of computer security; maintenance of software for security and prevention of computer risks; computer security services for protection against unauthorized network access; software update services related to security and computer risk prevention; securing emails; email forwarding services (computer security); software platform as a service [PaaS]; designing, developing, hosting domain name infrastructures to enable the translation of domain names into IP addresses; computer remediation service to counter cyber attacks (security services for computer networks, computer access and computerized transactions).