checklist

Attached sample of SCADA Security Checklist that covering area such as:
Identify all connections to SCADA networks
Disconnect unnecessary connections to the SCADA network
Evaluate and strengthen the security of any remaining connections to the SCADA network
Harden SCADA networks by removing or disabling unnecessary services
Do not rely on proprietary protocols to protect your system
Implement the security features provided by device and system vendors

Ensure that components are not removed on line whilst the system is powered up unless the manufacturer specifically indicates that this is permissible. Damage to components and modules can occur when removing whilst the system is still powered up. Ensure that the antenna system is not disconnected from the system unless a dummy load has been installed, otherwise the radio power amplifier may be damaged.

The RTU and component modules

A typical procedure to follow when reviewing the operation of the telemetry system for faults (either for intermittent or outright failure) is: