Early 90's read a long article on safety. First point front and center is safety is a primary system design issue. Example: Old coworker mentioned working on a

Early 90's read a long article on safety. First point front and center is safety is a primary system design issue. Example: Old coworker mentioned working on a controller for an airbag. She said the watchdog timeout was set to a shorter period than required to fire the airbag. So if the firmware went off into the weeds the watchdog would fire before the air bag.