Threat watch / Breach

Macif Avantages: customer data exposed after an attack on voucher partner Qwertys

Supply chain Medium Confirmed First seen 12 Nov 2026 · updated 13 Nov 2026

Users of Macif Avantages, the French insurer Macif's discount voucher service, received an email saying a cybercriminal had access to their data. The intrusion hit Qwertys, the partner that runs the voucher service. Names, postal and email addresses and dates of birth are involved; bank card data, login credentials and insurance contracts are not, according to the email. The service was closed, the CNIL notified and a complaint filed. The number of people affected is not given.

Sector
Finance
Way in
Supplier
Product or vendor
Qwertys
How it happened
Through Qwertys, the partner that runs the Macif Avantages voucher service: the incident happened at that partner, according to the customer email. How Qwertys was breached is not public.[1][2] Checked 13 Nov 2026
What was stolen
Last and first names, postal addresses, email addresses and dates of birth. The email says bank card data, the login credentials of the voucher account and of the Macif personal space, and insurance contracts are not affected.[1][2] Checked 13 Nov 2026
Who was impacted
Macif customers registered for the Macif Avantages voucher service only. The number of people affected is not given.[1][2] Checked 13 Nov 2026
Threat actor
Not attributed

Timeline

  1. Macif Avantages emails users of its voucher service: a cybercriminal had access to their data at its partner Qwertys, the service was closed as soon as the incident was known, the CNIL was notified and a complaint was filed with the public prosecutor. It warns of phishing by email, phone or text message impersonating Macif. [1][2]

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