Regarding Fisker, I am betting they just stupidly assumed they would be around forever and hardcoded API tokens in to the firmware of the vehicles that are also hardcoded to a specific URL.
Utterly stupid.
"Just take a look around you, what do you see? Pain, suffering, and misery." -Black Sabbath, Killing Yourself to Live.
“Man was born free, and he is everywhere in chains” -Jean-Jacques Rousseau
Purveyor of cute, fuzzy, pink bunny slippers.