Ransomware and cyber extortion have been on the rise, and companies are struggling with whether to pay the demand and how to contain the damage. This article presents insight from Morrison & Foerster partners Christine E. Lyon and John P. Carlin and counsel Alex Iftimie about the current threat environment and the ways businesses can prepare for, and respond to, these increasingly sophisticated attacks. See “Ransomware Lessons From the Trenches of the MedStar Attack” (Jul. 11, 2018); and “How to Prevent and Manage Ransomware Attacks” (Jul. 15, 2015); Part Two (Jul. 29, 2015).