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Updated: Aug 5, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
Published on: September 12, 2014
Preparing for the Next Cyber Storm: Are You Ready?
Abstract:
On May 12, 2017, the WannaCry ransomware bug struck. The cyberattack infected more than 300,000 computer systems in 150 countries, including several U.K. National Health Service facilities. 1 The ransomware affected unpatched Windows systems, encrypting data and demanding payment to release it. A patch was available, and if it had been applied to these systems, they would not have been affected.
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