India investigates the possibility of cybersabotage. Walls are opaque to defenders, too. Recommendations for cyber nonproliferation. SolarWinds updates (with an SEC appearance).

Indian authorities continue to investigate the possibility that Mumbai’s power grid was hacked last October. Apple’s walled garden’s security can inhibit detection of threats that manage to get inside. An Atlantic Council report recommends international action against access-as-a-service brokers to stall proliferation of cyber offensive tools. Ben Yelin has the story of legislators asking the military why they’re so interested in apps serving Muslims. Our guest is John Grange from OppsCompass with insights on the top cloud security mistakes organizations make. Updates on the SolarWinds incident (including an SEC probe into who knew what when). For links to all of today's stories check out our CyberWire daily news brief: https://www.thecyberwire.com/newsletters/daily-briefing/10/40