BMW, Volkswagen, Honda, Stellantis, Toyota, General Motors
Hendrik Schmidt/dpa/Getty Images
Sean Gallup/Getty Images

Google made a big mistake recently. The company accidentally erased the private Google Cloud account of a $125 billion Australian pension fund, UniSuper.

They’re small, they’re convenient, and, according to security researchers, they’re extremely hackable. The car key fob doesn’t exactly have the greatest reputation when it comes to digital security.
Michael Swensen/Getty Images and Michael Macor/The San Francisco Chronicle via Getty Images