[contentcards url=”https://www.forbes.com/sites/thomasbrewster/2019/08/25/hacker-claims-he-can-immobilize-25000-cars-at-the-push-of-a-button/#2acb37af7718″ target=”_blank”] Every day millions of us rely on tech to protect our cars from thieves. Immobilizers, for instance, ensure only the owner of…