Hyatt Hotels has revealed details of a cyber attack , which took place between 13 August and 8 September 2015 . The attack targeted a number of its restaurants with point - of - sale malware embedded in its payment systems . The hotel chain has called on its customers to check their bank statements for any sign of unauthorised activity as a result of this breach . The malware was designed to collect the data from customers ’ ' cards , exploiting a weakness that allows it seize all the details from a card before transmitting them to the attack ’s perpetrator . Although the loophole in the standards has been closed many outlets continue to use payment systems that have n’t been updated . High-end hotel chain Hyatt Hotels has warned customers to check their bank statements after admitting that the organisation's payment systems were compromised by hackers between 13 August and 8 December... Hotels are particularly at risk from cyber criminals because , unlike many other businesses , they retain credit and debit card details for the duration of the client ’s visit .
Hyatt Hotels has revealed details of a cyber attack , which took place between 13 August and 8 September 2015 . The attack targeted a number of its restaurants with point - of - sale malware embedded in its payment systems . The hotel chain has called on its customers to check their bank statements for any sign of unauthorised activity as a result of this breach . The malware was designed to collect the data from customers ’ ' cards , exploiting a weakness that allows it seize all the details from a card before transmitting them to the attack ’s perpetrator . Although the loophole in the standards has been closed many outlets continue to use payment systems that have n’t been updated . Hotels are particularly at risk from cyber criminals because , unlike many other businesses , they retain credit and debit card details for the duration of the client ’s visit .