https://arstechnica.com/information-technology/2018/11/marriott-breach-leaves-500-million-exposed-with-passport-card-numbers-stolen/ > On Friday, Marriott International announced a system breach that has affected approximately 500 million customers, with stolen information including names, credit card numbers, mailing addresses, email addresses, and passport numbers. The breach is one of the largest in history, after recent Yahoo breaches that compromised the accounts of nearly three billion customers.