42 Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; Computer service, namely, acting as an application service provider in the field of knowledge management to host computer application software for searching and retrieving information from databases and computer networks; Computer service, namely, acting as an application service provider in the field of knowledge management to host computer application software for the collection, editing, organizing, modifying, book marking, transmission, storage and sharing of data and information; Computer services, namely, filtering of unwanted e-mails; Computer services, namely, redirecting electronic mail to changed personal electronic address; Development of software for secure network operations