Country
Data breaches in South Korea
8 breaches on record · plus 1 claimed only by attackers, shown faint on the map
- This week
- 8
- 30 days
- 8
- 2026 so far
- 8
- People exposed, 90 days
- 51,350
What was taken most often
- Email addresses5
- Phone numbers5
- Names5
- Card and bank details2
- Home addresses1
- Passwords and logins1
The number of breaches in which each kind of data was exposed, where the source said.
The largest
- Hollys Personal informationCustomer information 2.8Mcustomer records
- Daishin Securities Financial account and card detailsEmail addressesPhone numbers+4 38.5Kcustomers
- Yonsei University Passwords and loginsEmail addressesPhone numbers+4 10Kpeople
- KB Kookmin Bank Credit information 2.2Kpeople
- Bithumb Email addressesPhone numbersNames+2 650employees
Every breach, newest first
- Daishin Securities Financial account and card detailsEmail addressesPhone numbers+4 38.5Kcustomers
- Bithumb Email addressesPhone numbersNames+2 650employees
- KB Kookmin Bank Credit information 2.2Kpeople
- Nol Universe Email addressesPhone numbersMember IDs+11 –not reported
- Spoon Financial account and card detailsEmail addressesPhone numbers+1 –not reported
- Mirae Asset Life Insurance Personal credit informationPersonal and credit information –not reported
- Hollys Personal informationCustomer information 2.8Mcustomer records
- Yonsei University Passwords and loginsEmail addressesPhone numbers+4 10Kpeople
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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Found a mistake? Tell us and we correct it.