Thomas Rid, professor in the department of War Studies at King's College London, joins the Cybersecurity Podcast to talk about his new book, "Rise of the Machines," a sweeping history of mankind's growing dependence on technology. He also discusses the challenges of attributing cyberattacks and ways to deter Russian information warfare as hackers target American political interests.    Also on this episode, podcast cohost Sara Sorcher, deputy editor of Passcode at the Christian Science Monitor, discusses the emerging private etiquette questions as more people bring personal assistant technology such as Amazon's Alexa into their homes. Podcast cohost Peter Singer, strategist and senior fellow at New America, discusses his recent trip to Sweden, where officials are viewing cybersecurity threats in military terms.