Attribution issues: one story fizzles; another looks disappointingly circumstantial. Great powers jostle in cyberspace. Hacktivists resurface online. So, alas, do terrorists.

In today's podcast, we follow the way in which the Vermont utility hacking story fizzled. We also hear more serious grounds for concern about electrical grid security continue from Joe Weiss of Applied Control Solutions. Observers are disappointed by the Grizzly Steppe Joint Analysis Report—its evidence strikes many as mighty circumstantial. US-Russian cyber strategies and cyber diplomacy. Anonymous greets the Bilderbergers. ISIS claims responsibility for recent massacres as part of its online inspiration. Level 3 Communications' Dale Drew provides his take on the coming year. German police believe they've stopped a Saarland bomb plot. Learn more about your ad choices. Visit megaphone.fm/adchoices