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Mirae Asset Life Insurance customer data breach

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Made public

What leaked7

Hard to replace

  • Bank account number
  • Mobile number
  • Home or delivery address
  • Email address

Permanent

  • Connecting information
  • Resident registration number
  • Full name
  • Resident registration numberthe press says it is not yet known whether full numbers leaked

To-dos7 · about 1 h 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. This weekRemove your address and phone from public profiles and tighten SNS privacyabout 20 minfreeLimits harm from: visits or contact at home
  7. When convenientReport the lost resident ID card on Gov24about 5 minLimits harm from: bank account in your name (opens in a new tab)

What happened next8 events

  1. UndetectedNone on record
  2. Response 7 eventsNo individual notice on record · show events
  3. RemedyNone on record
  4. Penalty 1 eventUnder investigation · show events
  5. DisputesNone on record
  1. Website access blocked from 4 p.m. KST to prevent further damage; system recovery started
  2. FSS began an on-site inspection of how the hack happened, how much customer data leaked and how the company responded
  3. Notice on the company website: customer credit data leaked; people and items still being identified
  4. Abnormal signs found in some systems; cyber intrusion recognised
  5. Damage reports and relief enquiries taken at the customer centre
3 more
  1. Apology in the customer notice
  2. Attack IPs blocked and security measures strengthened after the leak was found
  3. FSC: an incident report from Mirae Asset Life was received
Company
Mirae Asset Life Insurance
Company detected it
Made public
Notice
Leak confirmed

How the facts developed

  1. Mirae Asset Life's letter to affected customers (reported by the press on October 29, 2026) lists names, resident registration numbers, phone numbers, email addresses, addresses, CI and account numbers
  2. Company notice (reported by the press on October 26, 2026): abnormal signs in some systems were found on October 25, 2026, and analysis with an outside specialist firm confirmed a personal data leak early on October 26, 2026; the people and items affected are still being identified

Sources