When a chap called Matt noticed his Bluetooth headphones wouldn't switch to his phone, he was surprised to realise the reason was a single AliExpress webpage sitting open in his browser - playing nothing at all, at zero volume. And yet somehow his hardware could hear it. Audio fingerprinting is one of the sneakiest tracking tricks on the web. Meanwhile, the intelligence agencies of the "Five Eyes" (not Five Guys) have got together and published advice on how companies should communicate after a cyber attack. The summary? For the love of God, stop calling every breach "sophisticated." All this and more in episode 484 of the "Smashing Security" podcast with cybersecurity expert and keynote speaker Graham Cluley, and special guest Danny Palmer.

Location data sold by the ad industry has reportedly helped adversaries target US troops. The Pentagon has responded by switching off ad tracking on its devices - and you can do the same on yours. Read more in my article on the Hot for Security blog.

A developer at an AI startup wanted to cheat at Roblox. They downloaded a dodgy script on their work laptop. That one decision triggered a cascade of failures that ended with a $2 million data breach affecting hundreds of thousands of organisations. All for some free in-game currency. Meanwhile, there's a 1980s phone protocol called SS7 that lets shadowy surveillance companies track anyone, anywhere, via their mobile phone. Governments know about it. Telecoms know about it. Nobody's fixing it. All this and more in episode 465 of the "Smashing Security" podcast with cybersecurity keynote speaker and industry veteran Graham Cluley, joined this week by special guest James Ball. Plus! Don't miss our featured interview with Rob Edmondson of CoreView, discussing how to lock down Microsoft 365 before it's too late.