Cloud-based computer security services for stopping email and web-based cyberattacks; computer malware protection services; computer security services, namely, data encryption for protecting the integrity of data and electronic communications over a computer network; web browser protection services blocking malicious, untrustworthy and unwanted content and programs; providing temporary use of on-line non-downloadable software for use in the protection of computers and computer networks against unauthorized third-party access and for computer security and authentication; providing online non-downloadable software for security, detection and removal of computer viruses and threats, and for protecting and securing computer networks and applications; providing virtual computer systems and virtual computer environments through cloud computing; computer security threat analysis for protecting data; computer security services, namely, restricting unauthorized access to computer networks; computer security services, namely, enforcing, restricting and controlling access privileges of users of computing resources for cloud, mobile or network resources based on assigned credentials