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Golfzon ransomware data breach

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Made public · 2,210,000 people

What leaked7

Hard to replace

  • Bank account number
  • Mobile number
  • Email address
  • Username

Permanent

  • Resident registration number
  • Date of birth
  • Full name
  • Resident registration number5,831 people
  • Bank account number1,647 people

To-dos6 · about 50 min in all

  1. Block new loans and cards in your nameabout 10 minStops: loans or cards in your name · Limits harm from: scam calls (opens in a new tab)
  2. Block non-face-to-face account opening in your nameabout 10 minStops: bank account in your name · Limits harm from: scam calls (opens in a new tab)
  3. Register as an exposed person with the FSSabout 10 minLimits harm from: scam calls, loans or cards in your name, bank account in your name (opens in a new tab)
  4. Know the scam pattern: calls and texts that cite these leaked detailsabout 5 minfreeLimits harm from: scam calls, phishing messages
  5. Check your credit records and block status on credit4uabout 10 minfreeHelps you notice: loans or cards in your name (opens in a new tab)
  6. Report the lost resident ID card on Gov24about 5 minLimits harm from: bank account in your name (opens in a new tab)

What happened next18 events

  1. Undetected 2 events1 day · Back to latest
  2. Response 11 eventsNotice in 21 days · show events
  3. RemedyNone on record
  4. Penalty 5 eventsFine ₩7.5B · show events
  5. DisputesNone on record

Undetected: 2 events

Back to latest
  1. Ransomware infection hit Golfzon's servers
  2. Intrusion began
Company
Golfzon
When it happened
–
Company detected it
Made public
Notice
Leak confirmed
Affected
2,210,000 people: service users and employees · PIPC: 약 221만명 이상; RRN of 5,831 people and bank account numbers of 1,647 people

How the facts developed

  1. PIPC decision itemises RRN and bank-account subsets; 과징금 75억 400만원, 과태료 540만원
  2. Leak notice after the December 8, 2023 dark-web posting

Sources