I remember seeing a french documentary about the french criminal world many many years ago, there they showed a professional car thief using a device bought from Russia that he plugged into the ODB2 port. Once plugged in it reset the car and it could be started with a blank key. A co-workers friend got his Audi RS4 stolen from a public garage with the thiefs using the technique described in the article and that was probably 6-8 years ago so it’s far from new but maybe more widespread now.