Red Hot Cyber
Cybersecurity is about sharing. Recognize the risk, combat it, share your experiences, and encourage others to do better than you.
Cybersecurity is about sharing. Recognize the risk,
combat it, share your experiences, and encourage others
to do better than you.
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Auchan data leak: hundreds of thousands of customers affected by a hacker attack

Auchan data leak: hundreds of thousands of customers affected by a hacker attack

27 August 2025 15:04

French retailer Auchan has informed hundreds of thousands of customers that their personal data has been stolen following a hacker attack.

In notifications sent to users last week, the company stated that the breach affected names, email addresses, phone numbers, and loyalty card numbers, but emphasized that no banking information, passwords, or PINs were compromised.

“We inform you that Auchan has been the victim of a cyber attack. This attack resulted in unauthorized access to some personal data associated with your loyalty program account,” the notice reads.

Auchan states that it has taken all necessary measures to localize the attack and improve the security of its systems, and that it has informed law enforcement and regulatory authorities of the incident.

The company advises affected customers to be alert for potential phishing and fraud, as attackers may attempt to use stolen information.

The retailer told French media that the incident affected “hundreds of thousands of customers”. However, the company did not specify how exactly the data leak occurred, who was behind the cyberattack, or whether the incident was related to extortion.

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The editorial team of Red Hot Cyber consists of a group of individuals and anonymous sources who actively collaborate to provide early information and news on cybersecurity and computing in general.