42 on-line computer security services, namely, protecting the security of computers, data stored on computers, data transmitted over computer lines and through the world wide web, and intellectual property and other confidential information stored on computers and in databases; computer auditing services, namely the auditing of computers, electronic mail and web-based digital communications protocols; providing search engines for obtaining data on a global computer network; on-line document collaboration services; computer consulting services, namely, consulting on matters regarding the security of computer systems, data stored on or transmitted via computers, and intellectual property and other confidential information stored on computers and in databases; certificate authority services for others, namely, verifying and certifying that select digital information and data transmitted over the worldwide web is properly protected, tracked and indexed; computer consultation services regarding techniques and technologies for searching databases, global computer networks and web sites; computer consultation services in the field of on-line document collaboration; consultation services in the field of document management regarding document data transfer and physical conversion services from one medium to another