Persuasion
Availability bias (or the availability heuristic) is the tendency to judge an event more likely the easier it is to recall, because it is recent, frequent in the news or emotionally charged.
It was described by the Israeli psychologists Amos Tversky and Daniel Kahneman in 1973, within the research programme on mental shortcuts (heuristics) that founded behavioural economics. It leads to overrating conspicuous risks and underrating quiet ones, and it is why a well-told story weighs more than a statistic.
An example
After news of a cyber attack on a competitor, a company moves its whole budget to security and neglects the slow loss of customers.
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