The US Department of Energy has established and funded a new Office of Cybersecurity, Energy Security, and Emergency Response (CESER).
Energy, transport, water and health firms could face penalties of up to £17 million if they do not have effective cyber-security measures and suffer service outages as a result, the UK government announced.
Hacker describes the rollout of smart meters as "reckless", and argued that they are "dangerously insecure".
Finnish media reports on a DDoS attack on residential buildings in Lappeenranta, Finland, which knocked the heating and hot water offline.
A survey by Tripwire has found that utilities think they can detect hackers despite not having the right tools.