Yesterday’s The Internet of Things Podcast with Stacey Higginbotham and Kevin Tofel features a discussion about Azure Sphere (1:57-6:43) as well as an interview with Microsoft’s Galen Hunt (28:50-46:30). Highly recommended if you’re interested in this space.
https://iotpodcast.com/2018/04/episode-160-a-deep-dive-into-microsofts-iot-security-platform/