[alex77456]

Airlines and airline middle-men organisations are the worst offenders and centralised identification is not going to help there. Having flied with a few airlines, your details are out there. In the UK, national and travel passport are the same.

[wkat4242]

That's true. I remember Karsten Nohl's presentation about this at 33c3 and not much seems to have improved.

https://securityaffairs.com/54969/hacking/flight-bookings.ht...