I guess some folks at KTH have been looking at this topic for a while now, there was a story about it on SVT (Swedish equivalent of the BBC) two years back: htt

I guess some folks at KTH have been looking at this topic for a while now, there was a story about it on SVT (Swedish equivalent of the BBC) two years back: https://www.svt.se/nyheter/inrikes/sa-latt-hackas-ditt-barns-smarta-klocka https://www.svt.se/nyheter/inrikes/sa-latt-hackas-ditt-barns... Same professor, Pontus Johnson, is mentioned that story.