In today's podcast we hear that Qatar has accused the United Arab Emirates of a hacking and disinformation campaign—the UAE deny it. Russia's Foreign Ministry says it was hacked. Russia-experts in the US said to be receiving unwelcome attention from possible state intelligence services. Deterrence and confidence building measures remain works in progress in cyberspace. Ransomware and click-fraud combined in a single criminal campaign. Macs attacked by banking credential stealing malware. Johns Hopkins' Joe Carrigan reviews educational options for aspiring cyber security pros. Twitter bots driving traffic to dodgy adult sites. And Ashley Madison proposes a settlement for its 2015 breach.