Can unfortunately confirm that friends at both Lyft and Uber have in the past known my ride history. I admittedly had to push a bit jokingly for either to look it up, but the fact that it is even possible for insiders to access internal production databases makes me suspect this problem is far more widespread than just at ridesharing companies. I wonder who at Fastmail can read user emails? Who at Heroku can access m…
Not different in banks, any lookup of customer accounts is monitored and checked. Looking up a friend's account will get you fired immediately (or worse).