Max, Mike - I would think that a substantial potion of code has to be re-written for the purposes of security. Applications going from big external systems to embedded will also need pretty substantial re-writes to accomodate the embedded architectures.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.