Support WBUR'You Can't Just Concede.' How One Expert Explains Negotiating With CybercriminalsPlay06:45Download AudioRachel MartinLisa WeinerMay 18, 2021 ShareA laptop displays a message after being infected by ransomware in 2017. Thousands of institutions in the U.S. fall victim to ransomware attacks each year. (ANP/AFP via Getty Images)