One of the Largest global hospitality company “Hyatt Corp” Suffering from Data Breach in their Customers Payment Card Systems in 41 Hotels around the World between March 18, 2017, and July 2, 2017.

An Unauthorized Activity Discovered in its Payment card systems and access the Credit cards information from cards manually entered or swiped at the front desk of certain Hyatt managed locations.

Late 2015 Hyatt Suffered a First Data Breach that allowed hackers to gained access to credit card systems at 250 properties in 50 different countries. This is second Data Breach that faced by Hyatt with its 11 Country Braches at 41 Hotels.

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This Payment card breach Occurred in Respective Hyatt Locations Around the World Including Brazil, China, Colombia, India, Guam, Indonesia, Japan, Malaysia, Mexico, Puerto Rico, Saudi Arabia, South Korea, United States.

Futher Investigation Revealed that This Unauthorized  access to card data was caused by an insertion of malicious software code from a third party onto certain hotel IT systems.

Hyatt Spoke Person said this data breach affected payment card information such as cardholder name, card number, expiration date and internal verification code which is used by Customers from cards manually entered or swiped at the front desk of certain Hyatt-managed locations.

According to Hyatt, “Upon discovery, we launched a comprehensive investigation to understand what happened and how this occurred, which included engaging leading third-party experts, payment card networks and authorities”
While we estimate that the incident affected a small percentage of payment cards used by guests who visited the group of affected Hyatt hotels during the at-risk time period, the available information and data does not allow Hyatt to identify each specific payment card that may have been affected.

The largest number of Hyatt properties impact in China (18 Properties) by this Payment card Data Breach.

The primary step customers can take is to review their payment card account statements closely and report any unauthorized charges to their card issuer immediately. Hyatt Said.

BALAJI is a Former Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.


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