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McDonald’s Hit by Data Breach

McDonald’s Corp.

MCD 0.77%

It said hackers stole some data from their systems in different markets. including the United States, South Korea and Taiwan, among other examples of cybercriminals infiltrating world-famous global companies.

The burger chain said Friday it had hired an outside consultant to investigate unauthorized activity in its internal security system. It was alerted of a specific incident in which unauthorized access was cut off a week after it was detected, McDonald’s said. Investigators found the company’s data had been breached in various markets. including the United States, South Korea and Taiwan, the company said.

In a message to U.S. employees, McDonald̵

7;s said the breach disclosed certain business contact information for U.S. employees and franchisees. along with some information about the restaurant, such as the number of seats and play area in square feet. The company said no customer data was compromised in the United States. And the employee information disclosed is not sensitive or personal. The company advises employees and franchisees to look at phishing emails. and use discretion when asked for information.

McDonald’s said the attackers stole the email. phone number and customer addresses for delivery customers in South Korea and Taiwan. In Taiwan, hackers also stole employee data. Including names and contact information, McDonald’s said. The company said the number of files exposed was small, without disclosing the number of people affected. The breach did not include customer payment information, McDonald’s said.

McDonald’s said authorities in South Korea and Taiwan had notified Asian regulators of the breach on Friday. And they will contact customers and employees. The company said the departments The company will notify certain employees in South Africa and Russia of unauthorized access to their data. The investigation also flagged those countries.

McDonald’s says its restaurant business has not been plagued by abuse. and is not related to ransomware attacks. In which hackers need payments to return control of their data and operations to companies. McDonald’s says no ransom and did not pay any money to hackers

Prominent ransomware attacks in recent months have disrupted the operations of institutions and companies. deeply ingrained in US civilian life and trade. This includes hospitals, transportation systems, pipelines and meat companies. Some companies include Colonial Pipeline Co. and JBS Meat Company. to

It said they paid hackers to have full control over their data and operations.

Elsewhere on Friday Volkswagen AG’s

The U.S. unit said unauthorized third parties obtained limited personal information about customers and interested buyers from sellers used by the Audi and Volkswagen brands, as well as some U.S. and Canadian dealers, for the purposes of the U.S. unit. Digital Sales and Marketing About three million customers were affected.

McDonald’s said it has increased its investment in cybersecurity defense in recent years. And those tools help respond to the latest attacks. The company said it would cut off hackers’ access to data immediately after a breach was detected.

“McDonald will leverage the findings from the investigation as well as information from security sources to identify ways to improve our existing security measures,” the company said.

A cyber attack on the largest US oil pipeline on May 7 forced it to shut down. This led to skyrocketing gas prices and shortages in parts. Southeast’s WSJ describes how vulnerable the country’s critical energy infrastructure is to attack. Illustration: Liz Ornitz/WSJ.

Cyber ​​attack and business

write to Heather Haddon at heather.haddon@wsj.com

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