Train passengers' contact details and journey information accessed in cyber hack
No payment or password information has been affected
Train operator LNER said passengers' contact details and some information about past journeys have been accessed in a cyber attack.
The Government-owned organisation, which runs services on the East Coast Main Line between London and Scotland, said in a statement it was "made aware of unauthorised access to files managed by a third-party supplier".
It stated that "no bank, payment card or password information has been affected".
The statement added: "We are treating this matter with the highest priority and are working closely with experts and with the supplier to understand what has happened and to make sure appropriate safeguards are in place.
"We will provide further updates as more information becomes available."