How electrical tape on a sign tricked a Tesla into speeding

By Ryan Beene, Bloomberg
Researchers were able to trick a Tesla Inc. vehicle into speeding by putting a strip of electrical tape over a speed limit sign, spotlighting the kinds of potential vulnerabilities facing automated driving systems.
Technicians at McAfee Inc. placed the piece of tape horizontally across the middle of the “3” on a 35 mph speed limit sign. The change caused the vehicle to read the limit as 85 mph, and its cruise control system automatically accelerated, accordin