But the company did not disclose the incident to customers
Travel firm delayed reporting the breach by 22 days, exceeding the 72-hour limit
Watchdog lacks teeth: 68 per cent of fines issued since January 2019 haven't been paid
Marriott has set aside the cash to cover an anticipated £99m fine under GDPR for its November 2018 security breach
Coffin Mew's Guy Cartwright explains why BA and Marriott have hit with big GDPR fines - and what you can do to minimise yours if the worst comes to the worst
Eerke Boiten, Professor of Cyber Security at De Montfort University, warns that the ICO's new habit of issuing big fines could backfire
Marriott GDPR fine comes a day after ICO announced its intention to fine BA £183m
Hacking tools used to purloin 500 million records point to China's Ministry of State Security, claim US officials
The records of 500 million customers of Marriott Hotel Group have been leaked in a huge data breach, with payment details included