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ISO/IEC 27071

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ISO/IEC 27071 — Information technology — Security techniques — Security recommendations for establishing trusted connections between device and service [DRAFT]



This standard concerns mutual authentication between distributed network devices (such as sensors and other IoT things) and [cloud-based] information services using Public Key Infrastructure and Hardware Security Modules.


Scope of the standard

The standard will lay out a framework for trusted connections between devices and services based on hardware security modules, with recommendations for HSMs, roots of trust, identity, authentication and key establishment, remote attestation, data integrity and authenticity.


Content of the standard

30 pages.


Status of the standard

The standard is at 4th Working Draft stage.

April update It is due to be published in 2023.


Personal comments

Here’s a fictitious scenario illustrating the need for mutual authentication.  Imagine your electric car maintains detailed technical data about the places its has been driven to, the manner of driving, battery performance etc. You agree to share the data routinely with the vehicle manufacturer through a 4G or 5G connection to a car monitoring app, in return for a warranty extension, driving tips or advanced warning of issues requiring a service visit. How does the manufacturer know the data uploaded by your car is, in fact, your car, not a cloned or modified vehicle? How does your car know that the car monitoring app is, in fact, the car monitoring app run by the manufacturer, not some naughty hacker intent on discovering your movements and habits for blackmail or kidnap, or an agent for the insurance companies illicitly checking on your driving competence and hence risk profile?


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