Finance Professor, and former Wall Street Trader, Nassim Nicholas Taleb is the author of the New York Times award-winning 2007 book ‘The Black Swan – the impact of the highly improbable’.

In it, Taleb defines a black swan event as something that is impossible to predict due to its extreme rarity but something that will have dire consequences. He argues that people must always assume a black swan event is a possibility, whatever it may be, and to plan accordingly.

Clearly, by this reckoning, many businesses, but not all, have lived through just such a black swan event with the…