Question to the Department for Transport:

To ask the Secretary of State for Transport, with reference to her Department’s guidance entitled Rail rolling stock procurement: cyber-security, published in March 2026, what steps her Department is taking to help ensure that operational technology cabinets and data ports on existing passenger rolling stock are physically secured against unauthorised access.

The Department for Transport has indicated that it will not be possible to answer this question within the usual time period. An answer is being prepared and will be provided as soon as it is available.