Cyber attacks: How bad can they get and how do you fight a cyberwar?
Normal text size Very large text size On the morning of June 27, 2017, it seemed as if Ukraine had slipped back in time and into the wrong century â almost nothing worked. Not the ATMs, the trains, the airports, the television stations. Even the radiation monitors at the old Chernobyl nuclear plant were down. Ukraine, in the midst of a long and undeclared war with Russia, had been hit by mysterious blackouts before but this was eating through computer networks at a terrifying pace, turning screens dark across the country. And it seemed to be spreading further than intended, out through E...