The digital systems used to control UK railways, such as signalling, are under threat from cyber attacks with potentially fatal results, according to Sergey Gordeychik, a researcher at Kaspersky Lab in Moscow. There were four cyber attacks on the UK rail network during 2015, although they were all exploratory and didn't attempt to cause any disruption, private security firm Darktrace found. Sky News has learned that the UK railway network has suffered at least four major cyber attacks over the last year alone. "State-sponsored attackers are already inside critical infrastructure," said Gordeychik. " "The most serious attack was against the signalling system for the London Underground which resulted in an outage of up to two hours.
The digital systems used to control UK railways, such as signalling, are under threat from cyber attacks with potentially fatal results, according to Sergey Gordeychik, a researcher at Kaspersky Lab in Moscow. There were four cyber attacks on the UK rail network during 2015, although they were all exploratory and didn't attempt to cause any disruption, private security firm Darktrace found. "State-sponsored attackers are already inside critical infrastructure," said Gordeychik. " "The most serious attack was against the signalling system for the London Underground which resulted in an outage of up to two hours.