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 red teaming in the nature of full-scope multi-layered attack simulations for testing an organization's security posture against real-time attacks, threat intelligence, green teaming in the nature of improving security resiliency through enhancements of security controls and capabilities and addressing of vulnerabilities identified through security analysis, and vulnerability assessments; Computer security consultancy in the field of cyber security, security engineering, threat intelligence, program management, information system security, threat analytics, and security management; Computer security service, namely, hard drive erasure; Computer security services in the nature of administering digital certificates; Computer security services in the nature of administering digital keys; Computer security threat analysis for protecting data; Data security consultancy; Design and development of electronic data security systems; Development of security systems and contingency planning for information systems; Development of software for secure network operations; Internet security consultancy; Maintenance of computer software relating to computer security and prevention of computer risks; Updating of computer software relating to computer security and prevention of computer risks