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 preventing theft of data; Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; Computer security services, namely, restricting unauthorized access to proprietary data and personally identifiable information.; Computer security services, namely, restricting unauthorized network access by unauthorized hackers and criminals; Computer consultation in the field of network protection; Data encryption services for providing security and anonymity for electronically transmitted credit card transactions; 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