Nicole Perlroth, New York Times cybersecurity reporter and author of "This Is How They Tell Me the World Ends," talks about ransomware attacks and what she calls the global cyber weapons arms race, mainly based on zero-day exploits. What's a zero-day exploit? Perlorth explains that, too.

Hosted by John Shaw. Produced and edited by Alee Quick. This podcast is produced through a partnership between Paul Simon Public Policy Institute and WSIU Public Radio. For more, visit paulsimoninstitute.org/podcasts.