In the UK, new smart energy meters that are set to be installed in 27 million homes were found vulnerable by GCHQ. The vulnerabilities could be exploited by hackers to compromise the IoT devices posing a serious risk to the users. The intelligence agency also warned attackers could use the devices as a Trojan horse to enter in the customers networks. The UK Government also fears that nation-state actors could exploit the flaws in the smart meters to create a power surge that would damage the National Grid.”]
Source: https://securityaffairs.co/wordpress/69819/iot/energy-smart-meters-hack.html