A look at the ongoing ransomware epidemic, with some speculation about its connection to the criminal economy. Over-the-air provisioning might open Android users to sophisticated phishing approaches. Alleged spammers are indicted in California. And, ZAO, we hardly knew ye. Jonathan Katz from UMD on the evolution of Rowhammer attacks. Tamika Smith speaks with Troy Gill from AppRiver about cities being hit with ransomware.