What Is Layered Security Maintenance
Service systems must be maintained at the application layer, system layer, network layer, and management layer.
According to the target and purpose of security maintenance, maintenance personnel must safeguard the service systems from different layers.
Application Layer
Security maintenance of the application layer is to protect the endpoint and its web management system so that they can provide services for users with smooth operations.
System Layer
Security maintenance of the system layer is to ensure a smooth operation of the operating system, which can support the proper operations of the application layer.
Network Layer
Security maintenance of the network layer is to ensure that network devices, such as the switch, router, and firewall, function properly and that security strategies are implemented at the network layer.
Management Layer
Security maintenance of the management layer is to strengthen people's management and avoid threats. Maintenance from the management layer involves the maintenance operations at all preceding layers.
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