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Yeongseo Medical Foundation: possible leak of supplier data via Douzone Bizon backup server

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Made public

What leaked5

Hard to replace

  • Bank account number
  • Mobile number
  • Home or delivery address
  • Other profile data

Permanent

  • Full name
  • Mobile numberphone number · type not stated
  • Full namerepresentatives and contact persons
  • Other profile datasupplier name and business registration number

To-dos4 · about 45 min in all

  1. Know the scam pattern: calls and texts that cite these leaked detailsabout 5 minfreeLimits harm from: scam calls, phishing messages
  2. Register as an exposed person with the FSSabout 10 minLimits harm from: scam calls (opens in a new tab)
  3. Block new loans and cards in your nameabout 10 minLimits harm from: scam calls (opens in a new tab)
  4. Remove your address and phone from public profiles and tighten SNS privacyabout 20 minfreeLimits harm from: visits or contact at home

What happened next4 events

  1. Undetected 2 eventsunder a month · show events
  2. Response 2 eventsNo individual notice on record · Back to latest
  3. RemedyNone on record
  4. PenaltyNone on record
  5. DisputesNone on record

Response: 2 events

Back to latest
  1. Notice posted at 10:37 KST on the Asan Chungmu Hospital website, and also on the Cheonan Chungmu Hospital website
  2. Checking access rights and security of the accounting program and tightening internal controls
Company
Yeongseo Medical Foundation
When it happened
Company detected it
Made public
Notice
Possible leak
Affected
unknown; suppliers' representatives and contacts in its accounting program · press reports of the foundation's notice

How the facts developed

  1. Foundation notice: on October 28, 2026 Douzone Bizon told it that some data on its backup server may have been taken out; the incident happened in October 2026 (press)

Sources