Wal-Mart says some pharmacy client data was visible to others online (updated)

Nathan Layne reports:

Wal-Mart Stores Inc said on Wednesday that prescription history and other basic information on a few thousand online U.S. pharmacy customers may have been visible to other users during a four-day stretch last month due to a coding mistake.

“We had a software coding error for a 72-hour period from February 15 to 18 that affected a limited group of online pharmacy customers,” said company spokesman Dan Toporek. “We moved quickly to fix the issue once it was discovered.”

During that period two customers who logged in at the same time may have been able to see information on the other, including their name, address, date of birth and prescription history, Toporek said. Users were not able to see social security numbers, or full credit or debit card or health insurance information, he said.

Read more on Reuters.

Update: Well, define “few thousand.” This incident was reported to HHS as affecting 4,800 patients, as Mark Brohan also reports today.


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