Schneier just gave a talk on security at Qcon in San Francisco. It was recorded and you can watch that here.

It’s a high level talk that brings a lot of interesting points, like how much do we trust our devices, how companies are often doing very bad things in term of security, …

The psychologist he’s talking about is Daniel Kahneman, who won the nobel prize in economics for his work on Prospect Theory.

Prospect theory is a behavioral economic theory that describes the way people choose between probabilistic alternatives that involve risk, where the probabilities of outcomes are known. The theory states that people make decisions based on the potential value of losses and gains rather than the final outcome, and that people evaluate these losses and gains using certain heuristics.