If one were to subscribe to the idea that there is no smoke without fire, then the amount of reports surrounding attempts by hackers to compromise the US electrical grid is a veritable inferno of subterfuge. The latest development sees the US Department of Homeland Security (DHS) allege hundreds of intrusions, by hackers supported by the Russian state – with new malicious capabilities achieved. The DHS now claims that the Russian agents have infiltrated systems to such an extent that they could have triggered blackouts. The two identified groups, Dragonfly and Energetic Bear, have been working since 2016, and managed to breach air-gapped networks by compromising the suppliers for the utilities and distribution network operators (DNOs). The DHS, speaking to…