Data breach

French Citizens data breach

28,445,106 accounts · breached September 25, 2024

What happened

In September 2024, over 90M rows of data on French Citizens was found left exposed in a publicly facing database. Compiled from various data breaches, the corpus contained 28M unique email addresses with the various source breaches each exposing different fields including name, physical and IP address, phone number and partial credit card data including payment type and last 4 digits.

Description by Have I Been Pwned

What data leaked

  • Device information
  • Email addresses
  • IP addresses
  • Names
  • Partial credit card data
  • Phone numbers
  • Physical addresses

What to do if you had an account

  1. Turn on two-step sign-in. Enable two-factor authentication where the service offers it, preferably with an authenticator app or a passkey. A leaked password alone is then not enough to get in.
  2. Expect targeted phishing. Leaked contact details are used to write convincing fake messages that mention the breached company or your real name. Do not click links in unexpected emails or texts about this account; go to the site by typing its address.
  3. Watch for scam calls and SIM swaps. Be suspicious of calls and texts that claim to be from your bank or a courier. Ask your mobile operator for a port-out or SIM-change PIN if it offers one.
  4. Check your bank statements. Review recent card and account transactions and report anything you do not recognise. If full card numbers were exposed, ask your bank to replace the card.

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