The IAEA investigates the Natanz incident (amid conflicting reports on the nature of the sabotage). Mopping up the SolarWinds Exchange Server hacks.

Updates on Natanz, where the nature of the sabotage remains unclear--it happened, but there are conflicting explanations of how. Electrical utilities on alert for cyberattack, especially after the SolarWinds incident. The US Government takes extraordinary steps to fix the Microsoft Exchange Server compromise. Joe Carrigan analyses effective phishing campaigns. Our guest is the FBI’s Herb Stapleton on their recent IC3 report. And the US Intelligence Community’s Annual Threat Assessment points, in order of diminishing rsk, to China, Russia, Iran, and North Korea. For links to all of today's stories check out our CyberWire daily news brief: https://www.thecyberwire.com/newsletters/daily-briefing/10/71