I can put my cash card into an ATM anywhere in the world and take out a fistful of local currency, while the corresponding amount is debited from my bank account at home. I don't even think twice: regardless of the country, I trust that the system will work. The whole world runs on trust. We trust that people on the street won't rob us, that the bank we deposited money in last month returns it this month, that the justice system punishes the guilty and exonerates the innocent. We trust the food we buy won't poison us, and the people we let in to fix our boiler won't murder us. My career has taken me from cryptography to information security, general security technology to the economics and psychology of security. Most recently, I have become interested in how we induce trustworthy behaviour. Society is, after all, an interdependent system that requires widespread cooperation to function. People need to act in ways that are expected of them, to be consistent and compliant. And not just individuals, but organisations and systems.
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