2018 — Marriott International: Hacking, 38,300,000 records

2018 38.3M records affected

Data compromised

Personal and demographic data

Technical writeup

Hackers breached the reservation system of all Starwood hotels, including Sheraton, Westin and Le Meridien. Personal information, credit card details and passport info dating back to 2014 was stolen.

Root cause

Hacking

References

https://www.nytimes.com/2018/11/30/business/marriott-data-breach.html