Network Rail’s public WiFi network was hacked at several railway stations across the UK this morning, with passengers accessing the system being shown a screen displaying details about terrorist attacks in Europe.

London Euston, Manchester Piccadilly, Birmingham New Street, and Glasgow Central were among the stations affected by the cyber attack on Network Rail’s WiFi network, which is understood to be run by Telent.

British Transport Police launched an investigation into the incident following reports submitted by passengers at the beginning of rush hour last night.

Commenting on the situation, William Wright, CEO of Closed Door Security, said: “This incident demonstrates how cyber is being bridged into geopolitical tensions. We don’t know who carried out the attack, but it is clearly being used to ignite fear in the UK public and to voice a strong political message."

Wright said it appeared that the attack in fact took place against the wifi provider, representing "yet another supply chain attack that has harmed UK critical national infrastructure".

“Given it follows so closely in the wake of the attacks on TfL and Synnovis, it’s clear nation-state adversaries have set their sights on the UK and are determined to cause the country harm," he said. "Other organisations should once again use this incident as a reminder to improve their defences against attacks and to ensure all suppliers practice good cyber security hygiene.”

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