Breach, Data Security

Programming error results in CVS Caremark mailing blunder


About 350 CVS Caremark customers are being notified that a programming error resulted in mailers containing their personal information being sent to the wrong customers.

How many victims? About 350. 

What type of personal information? Names and full lists of medications.

What happened? A programming error resulted in mailers containing the personal information being sent to the wrong CVS Caremark customers.

What was the response? CVS Caremark fixed the error and is implementing policies, procedures and technology to ensure a similar incident does not occur in the future. All impacted individuals are being notified.

Details: CVS Caremark sent the mailers on July 15, which offered customers a change to a 90-day prescription supply. A customer in Georgia was impacted, but it is unclear if the incident is limited to only that state. A CVS spokesperson did not immediately respond to a request for comment.

Source:, “Customers concerned after CVS prescription info mix-up,” July 29, 2014.

UPDATE: A CVS Caremark spokesperson told on Wednesday that impacted customers were from “various geographic locations.”

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