Confirmed
Woori Bank
우리은행 · 2026-07-03
17,551 customers
View evidence & timelineSector index
Finance data incidents
13 recorded incidents in the finance sector, including confirmed disclosures, active investigations, and publicly documented claims.
Recorded
13
Confirmed
12
Known reported impact
44,119,431
Confirmed
Bithumb (BTC Korea)
빗썸 · 2026-06-25
Not disclosed
View evidence & timelineConfirmed
Shinhan Card
신한카드 · 2025-12-23
~190,288 merchant records
View evidence & timelineConfirmed
Lotte Card
롯데카드 · 2025-09-18
2.97M people
View evidence & timelineInvestigating
SGI Seoul Guarantee Insurance
에스지아이서울보증 · 2025-07-15
Not disclosed (exfiltration contested)
View evidence & timelineConfirmed
Woori Card
우리카드 · 2025-03-26
207,538 merchants
View evidence & timelineConfirmed
Kakao Pay
카카오페이 · 2025-01-23
40.45M people
View evidence & timelineConfirmed
U-First Insurance Marketing
유퍼스트보험마케팅 · 2025
Not disclosed
View evidence & timelineConfirmed
Paxnet
팍스넷 · 2024-06-14
284,054 records
View evidence & timelineConfirmed
Hyundai Marine & Fire Insurance
현대해상 · 2024
Not disclosed
View evidence & timelineConfirmed
AXA General Insurance Korea
악사손해보험 · 2024
Not disclosed
View evidence & timelineConfirmed
Viva Republica (Toss)
비바리퍼블리카 (토스) · 2024
Not disclosed
View evidence & timelineConfirmed
National Credit Union Federation
신용협동조합중앙회 · 2024
Not disclosed
View evidence & timeline