McDonald's data theftMcDonald's is warning its customers of the theft of a database containing information on those who signed up for promotions, such as its Monopoly game. The data breach makes those customers vulnerable to phishing attacks and other scams and identity theft.

A similar warning also was issued by Walgreen's.

McDonald's stressed that its records don't include financial information or Social Security Numbers. But it would include customers' ages, phone numbers, email addresses and physical addresses.The world's largest fast food chain said it hired Arc Worldwide to do its promotional email campaign. That company, in turn, hired another firm to coordinate and distribute emails. It was that unnamed company whose records were accessed, McDonald's said.

"Law enforcement officials have been notified and are investigating this incident," McDonald's said in an email to its customers.

McDonald's apologized for the incident and is warning customers not to respond to requests for financial information pretending to be from McDonald's.

"We apologize for any concern this incident may cause," McDonald's wrote. "Protecting our valued customers is very important to us."

Customers with questions are asked to call McDonald's at 800-244-6227.

(Update: 2:45p.m., Dec. 11): Customers of Walgreens drug stores are reporting getting a similar message about their accounts. However, Walgreens said what was taken was more limited.

"We want to assure you that the only information that was obtained was your email address. Your prescription information, account and any other personally identifiable information were not at risk because such data is not contained in the email system, and no access was gained to Walgreens consumer data systems...

"We encourage you to continue to be aware of increasingly common email scams that may use your email address to contact you and ask for personal or sensitive information. Always be cautious when opening links or attachments from unsolicited third parties. Also know that Walgreens will not send you emails asking for your credit card number, social security number or other personally identifiable information. So if ever asked for this information, you can be confident it is not from Walgreens."

Walgreens Customers with questions are asked to call 888-980-0963.

If you have received similar contact in the past week other than Walgreen's or McDonald's, please let us know at ConsumerAlly@WalletPop.com.

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