As grids become increasingly “smart,” with information and communications technologies and devices embedded throughout, networks are being linked, the system is gaining complexity, and the number of access points is rising. Managing cyber risk across the enterprise and up the supply chain has become top priority for utilities and TasNetworks. As a critical participant within the energy sector, the program is driving change for TasNetworks to increase its cyber security maturity and capability in line with expected new guidelines from the Australian Energy Market Operator (AEMO). More urgently program is to address whole of business cyber security risks and threats.