HydroSpire Utility is a municipal water management supplier that manages water purification facilities, remote telemetry (SCADA) systems, and customer billing databases. Following recent news reports about targeted ransomware and trojan attacks on critical infrastructure utilities, HydroSpire is overhauling their cybersecurity strategies.
Discuss four methods that HydroSpire Utility could use to prevent infections from malware and/or to minimise the damage that could be caused if an infection occurs.
Your answer should consider both technological and policy-based solutions.