Home ICO ICO fines Marriott International Inc £18.4million for failing to keep customers’ personal data secure ICO fines Marriott International Inc £18.4million for failing to keep customers’ personal data secure Andrew M Oct 31, 2020 comments off Tweet on Twitter Share on Facebook Google+ Pinterest The ICO has fined Marriott International Inc £18.4million for failing to keep millions of customers’ personal data secure. Creative works Marriott International Marriott International Inc OpenTravel Alliance Video games