42 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 services, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities, enforcing, restricting and controlling access privileges of users of computing resources for cloud, mobile or network resources based on assigned credentials; Maintenance of computer software relating to computer security and prevention of computer risks; Rental of computers relating to computer security and prevention of computer risks; Updating of computer software relating to computer security and prevention of computer risks; Testing, analysis, and evaluation of computer network security to assure compliance with Federal and State governments, healthcare, financial, insurance, critical infrastructure, oil and gas, gaming and retail industry standards