computer consultation in the field of computer and mobile device security and Internet security; computer and mobile device security consultancy in the field of scanning and penetration testing of computers, mobile devices, and networks to assess information security vulnerability; design and development of electronic data security systems; development of customized software for others for use in information security, code audits, and malware remediation; testing of computer software and applications; testing of computer hardware; testing of computer networks; computer education and cybersecurity training services