CoP 7: Ensure software integrity

Software on IoT devices should be verified using secure boot mechanisms. If an unauthorised change is detected, the device should alert the consumer/administrator to an issue and should not connect to wider networks than those necessary to perform the alerting function.

The ability to remotely recover from these situations should rely on a known good state, such as locally storing a known good version to enable safe recovery and updating of the device. This will avoid denial of service and costly recalls or maintenance visits, whilst managing the risk of potential takeover of the device by an attacker subverting update or other network communications mechanisms.

Primarily applies to: Device Manufacturers

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