Saw this idea proposed quite a long time ago, May well be the way to introduce security. In concept anyway. What would the intelligence of such an immune system need to be? The IOT sensors? Could it be evolved over time based on patterns of attack? The ultimate biomimicry.
Artificial Immune Systems May Be the Future of Cybersecurity
The similarity between cyber and biological warfare is tough to ignore: in both cases, we deal with evolving adversaries that grow in complexity and gradually vary their means of attack. .... "