The company has told customers that a third party was able to get past security measures to access a database of customer information that included e-mail and other contact information, birthdates and other specifics. The compromised database did not include any financial information or Social Security numbers.
Customers provided this information when they signed up for online promotions or other subscriptions to its websites.
McDonald's did not detail the timing or scope of the breach but says it is working with law enforcement.
