Andy Greenberg (https://twitter.com/a_greenberg) brings us a gut wrenching story of how criminal investigators used bitcoin tracing techniques to try to find out who was at the center of a child sexual abuse darkweb website. This story is part of Andy’s new book “Tracers in the Dark: The Global Hunt for the Crime Lords of Cryptocurrency”. An affiliate link to the book on Amazon is here: https://amzn.to/3VkjSh7. Sponsors Support for this show comes from Varonis. Do you wonder what your company’s ransomware blast radius is? Varonis does a free cyber resilience assessment that tells you how many important files a compromised user could steal, whether anything would beep if they did, and a whole lot more. They actually do all the work – show you where your data is too open, if anyone is using it, and what you can lock down before attackers get inside. They also can detect behavior that looks like ransomware and stop it automatically. To learn more visit www.varonis.com/darknet. Support for this show comes from Axonius. The Axonius solution correlates asset data from your existing IT and security solutions to provide an always up-to-date inventory of all devices, users, cloud instances, and SaaS apps, so you can easily identify coverage gaps and automate response actions. Axonius gives IT and security teams the confidence to control complexity by mitigating threats, navigating risk, decreasing incidents, and informing business-level strategy — all while eliminating manual, repetitive tasks. Visit axonius.com/darknet to learn more and try it free. Learn more about your ad choices. Visit podcastchoices.com/adchoices