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Whole Foods said a 2017 payment-card breach involved point-of-sale systems at certain in-store taprooms and full table-service restaurants—not its primary grocery checkouts. SecurityWeek later described the footprint as “nearly 100” U.S. locations; that was an approximate reported count, not an exact final tally.

What happened in the Whole Foods card breach?

Whole Foods said it learned of unauthorized access on September 23, 2017. In an October 20 update, the company said it investigated with a cybersecurity forensics firm, contacted law enforcement, replaced the affected point-of-sale systems and stopped the unauthorized activity. Whole Foods Market’s update, reproduced by the California Office of the Attorney General, described the incident as affecting certain venues inside some stores.

The payment systems at those venues differed from Whole Foods’ primary grocery checkout systems. The company said cards used at its primary store checkouts were not affected.

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What card information may have been exposed?

Whole Foods said the software could have copied a payment card’s account number, expiration date, internal verification code and cardholder name. These were possible fields; the notice did not say every card was affected or that every field was copied in every case. Exposure dates varied by venue, from March 10 through September 28, 2017.

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How many Whole Foods locations were affected?

The count changed across contemporaneous reports, so the dates and wording matter:

Report date Location figure What the figure means
October 4, 2017 56 stores The Washington Post reported that Whole Foods had posted a list of 56 affected stores; eight were in the District of Columbia, Maryland and Virginia. This was the list reported at that time.
October 23, 2017 Nearly 100 locations SecurityWeek described the incident as affecting nearly 100 U.S. locations. “Nearly” is approximate, not an exact confirmed total.

The later figure need not conflict with the earlier one: the October 4 report concerned a then-published list, while the October 23 report gave a broader approximate count. The available reports do not establish an exact final store total or a victim count.

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Were Amazon.com purchases affected?

No, according to Whole Foods. Its October 20 notice said Amazon.com systems did not connect to the affected Whole Foods systems and that Amazon.com transactions were not impacted.

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What should affected customers do?

Whole Foods advised customers to promptly report unauthorized charges to the bank that issued the card; the issuer’s number is usually printed on the card’s reverse side. The company’s notice said payment-card network rules generally state that cardholders are not responsible for fraudulent charges reported in a timely manner. That is the company’s incident-era guidance, not a guarantee covering every card or situation. For current rights and procedures, check with the card issuer.

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