Comment by iririririr

it's one regex. if you detect name, DoB, ssn, credit card, email... you remove it. done

there's zero concern if you can associate N flights can only match one person when looked in aggregate, etc.

it's mostly pro forma to pretend you're following some regulation when you're obviously not.

if anyone has a data company and legal connections to demand that a higher level of care be applied, i can charge my hours very cheaply to helpe you make this deal truly anonymous for passengers.