2018 — Marriott International: Sensitive data on customer to all Starwood hotels…
Technical writeup
Nov 2018. Sensitive data on customer to all Starwood hotels (including Sheraton, Regis, W Hotels) leaked since 2014. Credit card details and some passport info. The size of the hack was downsized from 500 million to 383 million following an investigation.
Root cause
Hacked