[jaclaz]

Exactly, easier and much more effective than the mitigation suggested by the scientists:

>One potential risk-reduction pathway could be to make it illegal to sell thermal cameras without some kind of enhanced security included in their software.

[Arrath]

I'm curious what kind of software solution there could be to this?

Some from of pattern matcher in the camera obscuring the video output when it determines its observing a number pad?

[jaclaz]

Maybe something loosely similar to the protection that is said to be present in very high level colour photocopier that prevents from photocopying money?