In today's podcast, we hear the results of the US Government's study of the hack on Ukraine' power grid, and how utilities should protect themselves. Twitter and Facebook have been taking down ISIS-affiliated accounts, and ISIS has noticed: the Caliphate vows cyber retaliation. Ransomware's grows in popularity among criminals. Cyber risks remain poorly understood, not only, a study suggests, in healthcare, but in boards and C-suites everywhere. Apple explains what creating "Government OS" for the FBI would actually involve. And we hear from the Johns Hopkins University's Joe Carrigan on public and private data collection.