McDonald’s, the world’s largest restaurant chain by revenue, has disclosed a data breach that impacted customers and employees from the US, South Korea, and Taiwan.
The hackers compromised the system of the company and have stolen business contact info belonging to US employees and franchises, the company pointed out that no sensitive and financial data were accessed.
The attackers also stole personal information from customers in South Korea and Taiwan, including names, emails, phone numbers, and addresses. The company states that only a small number of customers was impacted and their financial data was not exposed.
“In a message to U.S. employees, McDonald’s said the breach disclosed some business contact information for U.S. employees and franchisees, along with some information about restaurants such as seating capacity and the square footage of play areas.” reported the WSJ. “The company said no customer data was breached in the U.S., and that the employee data exposed wasn’t sensitive or personal. The company advised employees and franchisees to watch for phishing emails and to use discretion when asked for information.”
McDonald’s said that it was able to quickly identify the security breach and mitigate the threat.
“McDonald’s understands the importance of effective security measures to protect information, which is why we’ve made substantial investments to implement multiple security tools as part of our in-depth cybersecurity defense,” the WSJ added. “These tools allowed us to quickly identify and contain recent unauthorized activity on our network.”
“While we were able to close off access quickly after identification, our investigation has determined that a small number of files were accessed, some of which contained personal data,” reads a statement published by the company.
The company added that only customers in Korea and Taiwan had their data exposed.
McDonald’s is currently notifying affected customers and authorities in all impacted markets.
In April 2017, another cyber attack hit McDonald’s Canada career website and hackers stole records of 95,000 job seekers.
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(SecurityAffairs – hacking, data breach)