Azure IoT gets TLS 1.3, passwordless provisioning, and secure updates

Microsoft is rolling out three Azure IoT security changes with different readiness levels: TLS 1.3 for IoT Hub and managed-identity authentication between Device Provisioning Service and IoT Hub are in public preview, while HTTPS downloads for Device Update are generally available. The earlier Microsoft security overhaul focused on Cloud Solution Providers; this previous coverage addresses a separate Azure IoT security update.
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https://4sysops.com/archives/azure-iot-gets-tls-1-3-passwordless-provisioning-and-secure-updates/