In episode 426 of the "Smashing Security" podcast, Graham reveals how you can hijack a train’s brakes from 150 miles away using kit cheaper than a second-hand PlayStation. Meanwhile, Carole investigates how Grok went berserk, which didn't stop the Department of Defense signing a contract with Elon’s AI chatbot. So who is responsible when your chatbot becomes a bigot?Plus: Email headaches, SPF rage, and a glowing review for... Taskmaster SuperMax Plus?All this and more is discussed in the latest edition of the "Smashing Security" podcast by cybersecurity veterans Graham Cluley and Carole Theriault.Warning: This podcast may contain nuts, adult themes, and rude language.Episode links:Schoolboy hacks into city's tram system - The Telegraph.Caboose - Wikipedia.Neil Smith discusses his findings - Twitter thread.End-of-Train and Head-of-Train Remote Linking Protocol - CISA.The Cheap Radio Hack That Disrupted Poland’s Railway System - Wired.Grok, Elon Musk’s AI Chatbot, Shares Antisemitic Posts on X - The New York Times.X ordered its Grok chatbot to ‘tell like it is.’ Then the Nazi tirade began - Washington Post. Hacker uses Elmo's X account to post antisemitic rant and demand release of Epstein files - ABC News.Elon Musk Announces Sensuous Grok AI Companion - Mashable.Grok Rolls Out Pornographic Anime Companion, Lands Department of Defense Contract - The Rolling Stone. Learn DMARC. TASKMASTER SUPERMAX+.Smashing Security merchandise (t-shirts, mugs, stickers and stuff)Sponsored by:Adaptive Security - request a custom demo featuring a real CEO deepfake simulation today from adaptivesecurity.com.Vanta– Expand the scope of your security program with market-leading compliance automation… while saving time and money. Smashing Security listeners get $1000 off!