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Canada to ban the Flipper Zero to stop surge in car thefts
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
Rolljack attacks are absolutely not trivial to pull off and I am quite skeptical that a flipper can even do it reliably, if at all, since it requires reactively jamming the transmission after the attacker has already decoded it. I don't believe these devices have enough power to reliably jam the key fob, much less the speed to do it reactively.