Hak5
Airlines Don't Encrypt Your Passenger Data for E-Tickets - ThreatWire 
https://youtube.com/watch?v=rZNDnK0cj4s
Duration  : 09:23
Published : 12 Feb 2019

Links
Apple Facetime Update:
https://www.zdnet.com/article/ios-12-1-4-fixes-iphone-facetime-spying-bug/
Airline Systems:
https://threatpost.com/flaw-in-multiple-airline-systems-exposes-passenger-data/141596/
Cell Carriers:
https://motherboard.vice.com/en_us/article/j575dg/what-a-gps-data-is-and-why-wireless-carriers-most-definitely-shouldnt-be-selling-it
https://motherboard.vice.com/en_us/article/a3b3dg/big-telecom-sold-customer-gps-data-911-calls
https://motherboard.vice.com/en_us/article/43z3dn/hundreds-bounty-hunters-att-tmobile-sprint-customer-location-data-years