[tmd]

> IPv6 has massively increased the number of available IPs, allowing every sensor and relay within a system to be addressable from the public internet

That's a really scary idea from the security point of view and something that bothers me about the IoT craze. Every consumer device visible on the Internet should quickly and reliably self-update its software if a security issue is found and remote updates are still a bit tricky to implement in embedded devices (little storage, diverse hardware).

[StavrosK]

Firewalling them is probably a better idea. For most applications, connecting to a central server/hub that's better secured is just fine.

[gherkin0]

Even if updates were easily implemented, you still have the same problems as consumer routers: once the product is off the shelves, there's little incentive for the vendor to spend money on support to even offer updates.