In today's podcast we hear that Britain has given Russia an ultimatum: explain by midnight how your nerve agent got to Salisbury or face the consequences. Russia calls it nonsense. Cyber conflict between the two countries is widely expected. Palo Alto's Unit 42 finds HenBox Android spyware. NCC Labs describes Chinese backdoors used against UK Government and industry targets. President Trump replaces Secretary of State Tillerson with DCI Pompeo. Gina Haspel is tapped as next DCI. Awais Rashid from University of Bristol on cyber physical systems. Guest is Tom Badders from Telos on obfuscation as applied to threat intelligence. And a wrap-up of SINET ITSEF.