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FRMCS Security: Why a Mobile Network SLA Is Not a Safety Case

A mobile carrier service-level agreement does not establish railway safety. Explore FRMCS, EN 50159 and the consequences of a hostile, degraded or failing transport network. The episode examines which trust assumptions belong in the railway architecture.

Related CUP episodes:

Legacy Railway Security: Patching and Validation Constraints

Industrial 5G Jamming: Protecting Control When the Radio Fails

Railway OT Segmentation: Protecting the Certified Core

Railway Cybersecurity: Why Attack Detection Does Not Prove Safety

Railway Cybersecurity Patches: When the Safety Case Must Be Revisited

OT Time…

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