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Data breach

Gnosis Pay customer data exposed in personal card system breach

First reported · Last reported · 19 related reports

Unauthorized access to Gnosis Pay's legacy personal card system on November 3 exposed customer information. Notices to affected customers listed names, addresses, contact details, card numbers, expiration dates, CVVs, and linked cryptocurrency wallet addresses. The company said customer funds and its corporate card platform were unaffected and made 3D authentication mandatory for card payments.

Key facts

Affected organization
Gnosis Pay
Incident type
Data breach
Occurred / detected
2026-11-03
Scale of damage
Customer personal data, card details, and cryptocurrency wallet addresses exposed; number of people affected undisclosed
Cause / method
Unauthorized access to the legacy personal card system
Location
United Kingdom

If your data was exposed

Exposed dataNameAddressCard detailsCrypto assets

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
  2. Turn on payment alerts in your card issuer’s app, and if you see a charge you don’t recognize, ask the issuer to block and reissue the card.
  3. Check login and withdrawal history in your exchange app, and turn on withdrawal address whitelisting and withdrawal delays.

Timeline

  1. Unauthorized access occurred in Gnosis Pay's personal card system.
  2. The company disclosed the exposure of customer information and said customer funds and its corporate card platform were unaffected.
  3. It became known that notices to affected customers included card numbers and linked wallet addresses, among other information, and that 3D authentication had been made mandatory.

19 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.