Does the questioner want to ask "which business does not belong to the new ict information security business". The new ICT information security business includes network security, cloud security, big data security, mobile security, Internet of Things security, etc. Therefore, the business that does not belong to the new ICT information security business includes, but is not limited to, the sale of traditional security products, such as firewalls, intrusion detection, antivirus software, etc., network maintenance and management services, such as network operation and maintenance, IT consulting, etc., and traditional physical security services, such as access control systems, monitoring systems, etc.