From the infamous WannaCry to NotPetya, ransomware is a big business and has become the single most prevalent form of malware. Chris Duvall, senior director at The Chertoff Group and expert on security and risk management, discusses how ransomware spreads, how to prepare for a potential attack, and how to recover. Duvall offers insights about how organizations can respond and why having an independent evaluation of your security program can help prevent a disaster down the line.