42 Computer security services in the nature of computer and network security services, namely, network configuration change detection, wide area network (WAN) path change detection, wide area network Internet Protocol (WAN IP) address change detection, network gateway change detection, intrusion detection and prevention, new device detection, security alerts and reports, network configuration verification and validation services, network segment security validation services, data leak detection, network scanning, honeypot, network isolation, network segmentation, firewall and router ACL (access control list) verification, virtual private networking, secure communications technology for use in times of cyber-attacks, namely, automatic network reconfiguration and connectivity, restricted connectivity, and specialized connectivity for business critical applications; Technology advisory services in the nature of information technology, connectivity as a service, network as a service, telecommunications, secure networking, high availability networking, and zero downtime networking