For years, North Korea's state-trained hackers have been one of the world's most prolific robbers of banks - stealing huge sums of money from foreign financial instituions, draining cryptocurrency exchanges of billions, and funnelling the proceeds into the country's weapons programme. But now, in a remarkable twist, some of the same elite hackers appear to have decided to rob their own government instead. And, it doesn't sound as if it has ended that well for them. Read more in my article on the Hot for Security blog.

You've been headhunted for a great job in cryptocurrency. All you have to do is complete a short online assessment - with your webcam on, of course, so they can verify who you really are. Which is ironic, because the person recruiting you doesn't exist. And North Korean hackers using this trick have already made off with $643 million in crypto this year alone. Meanwhile, researchers at UC San Diego have discovered that 2.2 million cars across the United States can be unlocked or immobilised by anyone with a bit of Bluetooth kit - thanks to one aftermarket car alarm that made a truly spectacular cryptographic blunder. The bug has been sitting there since 2017. Nobody noticed. All this and more in episode 478 of the "Smashing Security" podcast with cybersecurity expert and keynote speaker Graham Cluley, and special guest Paul Ducklin.