Hackers targeted one of its largest energy companies, trying to shut down substations, which would have caused blackouts for two million people. The malicious software used in the attack is similar to that used by Russian hackers who previous caused power cuts in Kyiv. It is the most serious cyber-attack so far launched against Ukraine since the Russian invasion. That attack was blamed on a Kremlin-backed hacking team known as Sandworm, allegedly a Russian cyber-military unit and part of its foreign military intelligence agency, the GRU. Will this war ever end ?

