What is needed, but is extremely difficult to develop, is a way to recognize the character of a virus and differentiate it from normal system activity.

CNN: Technology - Analysis: Understanding viruses

By giving operating system control to Microsoft, Nokia stands to lose the opportunity to differentiate its smartphones from the competition, and risks making its smartphones a commodity.

FORBES: Nokia's Pact with Microsoft Makes It Look Like A $12 Stock

The system is evidently able to distinguish between vehicles, animals, and humans -- and it can even differentiate between different types of human activity, including walking, running, and digging.

ENGADGET: UA engineers develop 'invisible,' fiber optic border monitoring system