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Hana Cupid online shop member data breach

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Made public

What leaked3

Replaceable

  • Password

Hard to replace

  • Email address
  • Username
  • Passwordhashed password
  • Email addressPC and mobile email addresses
  • Usernamelogin ID

To-dos3 · about 1 h in all

  1. Change the leaked password everywhere you reused itabout 30 minfreeStops: account takeover
  2. Turn on two-step sign-in for email and bankingabout 15 minfreeLimits harm from: account takeover
  3. Use an authenticator app or passkey instead of SMS codesabout 20 minfreeLimits harm from: account takeover
Company
Hana Cupid
When it happened
–
Company detected it
Made public
Notice
Leak confirmed
Affected
4,238,242 member records of Internet Hana Cupid and Business Hana Cupid, closed accounts included · company notice

Outcome

Hana Cupid reported the incident to Japan's Personal Information Protection Commission and the police. No decision.

Sources