McDonald’s Data Breach Exposed Business & Customer Data

An investigation has revealed company data has been breached in the United States, South Korea, and Taiwan.

McDonald’s has been hit with a data breach in which attackers stole some information from company systems in regions such as the United States, South Korea, and Taiwan, the Wall Street Journal reports.

The fast-food chain recently brought on external consultants to look into unauthorized activity affecting an internal security system, the report states. Its investigation was prompted by “a specific incident in which the unauthorized access was cut off a week after it was identified.”

Experts found the breach exposed some business contact data for US employees and franchisees, along with some restaurant-specific information like seating capacity and the square footage of play areas. McDonald’s said no US customer data had been compromised and the employee data affected was not personal or sensitive.

Attackers stole emails, phone numbers, and addresses belonging to delivery customers in South Korea and Taiwan, the company said. In Taiwan, they also took employee data such as names and contact information. McDonald’s did not confirm the number of people affected but said a small number of files were compromised. 

Read the full WSJ report for more information.

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