2026
44 incidents tracked
58.3M
accounts reported affected
41Confirmed1Claimed2Investigating
Historical view
History
A year-by-year view of reported personal-data exposures in the KR Data Watch index.
Information records reported exposed
0
0 reported records across all years.
Monthly activity
Incidents reported over time
Monthly disclosures in the latest 18-month period covered by the index. Hover or tap a bar for reported impact.
By year
Reported impact by year
2025
16 incidents tracked
104.8M
accounts reported affected
12Confirmed1Claimed3Investigating
2024
20 incidents tracked
1.1M
accounts reported affected
18Confirmed1Claimed1Investigating
2023
8 incidents tracked
2.7M
accounts reported affected
8Confirmed0Claimed0Investigating
2022
3 incidents tracked
1M
accounts reported affected
2Confirmed1Claimed0Investigating
2021
1 incidents tracked
0
accounts reported affected
1Confirmed0Claimed0Investigating
Explore the archive
Historic incidents
92 results
OrganisationStatusDisclosedReported impact
나인하이어
Ninehire · Other
Not disclosed
생각하는황소
Thinking Bull Math Academy · Education
Under investigation
퓨쳐스콜레 (라이브클래스)
Futureschole (Liveklass) · Education
Not disclosed
한국지역정보개발원
Korea Local Information Research & Development Institute (KLID) · Public
Not disclosed
카카오게임즈
Kakao Games (Partners / RINK) · Gaming
140 users
레쥬메나인
Resume9 · Other
Not disclosed
강남언니 (힐링페이퍼)
Gangnam Unni (Healing Paper) · Healthcare
219,665 users
위버스컴퍼니
Weverse Company (HYBE) · Other
422,584 account IDs
광명산업(주)
Kwangmyung Industry · Other
Not disclosed
티빙
TVING (CJ ENM) · Other
39.54M accounts
GS리테일
GS Retail · Retail
1,660,153 people
엔라이즈 (위피)
Enrise (Wippy) · Other
736 accounts
에이토즈 (SKT 이프랜드)
Atoz (SKT ifland event) · Other
1,140 people
이십구센티미터
29CM (Musinsa) · E-commerce
159,852 records
KT
KT Corp · Telecom
16,647 subscribers
틱톡
TikTok Pte. Ltd. · Other
9.45M active users
애플 (ADI)
Apple Distribution International · Other
Not disclosed
우리은행
Woori Bank · Finance
17,551 customers
빗썸
Bithumb (BTC Korea) · Finance
Not disclosed
데이원컴퍼니 (패스트캠퍼스·콜로소 등)
Day1Company (FastCampus, Coloso et al.) · Education
Not disclosed
비지에프네트웍스 (CU POST)
BGF Networks (CU POST) · Retail
Not disclosed
농촌진흥청·미소테크
Rural Development Administration & Misotech · Public
~575,000 records (includes duplicates)
보람상조개발
Boram Sangjo Development · Other
27,882 people
행정안전부 (정부24)
MOIS (Government24) · Public
~1,233 people
케이에스한국고용정보
KS Korea Employment Information · Other
40,875 people
듀오정보
Duo Info · Other
427,464 members
금릉공원묘원
Geumreung Cemetery Park · Other
Not disclosed
인크루트
Incruit · Other
Not disclosed
루이비통코리아
Louis Vuitton Korea · Retail
3.6M people
한국맥도날드
McDonald's Korea · Retail
Not disclosed
에스씨케이컴퍼니 (스타벅스)
SCK Company (Starbucks Korea) · Retail
Not disclosed
이디야
Ediya Coffee · Retail
Not disclosed
더본코리아 (빽다방)
Theborn Korea (Paik's Coffee) · Retail
Not disclosed
와드 (캐치테이블)
Wad (Catch Table) · Other
Not disclosed
테이블링
Tabling · Other
Not disclosed
야놀자에프앤비솔루션
Yanolja F&B Solution · Other
Not disclosed
크리스챤디올꾸뛰르코리아
Christian Dior Couture Korea · Retail
~1.95M people
티파니코리아
Tiffany Korea · Retail
~4,600 people
엠지씨글로벌
MGC Global (Mega MGC Coffee) · Retail
Not disclosed
비케이알
BKR (Burger King Korea) · Retail
Not disclosed
투썸플레이스
Twosome Place · Retail
Not disclosed
한양컨트리클럽
Hanyang Country Club · Other
Not disclosed
서울컨트리클럽
Seoul Country Club · Other
Not disclosed
몽클레르코리아
Moncler Korea · Retail
230,000 people
신세계아이앤씨
Shinsegae I&C · Retail
~80,000 employee and partner records
신한카드
Shinhan Card · Finance
~190,288 merchant records
쿠팡
Coupang · E-commerce
37.5M people
롯데카드
Lotte Card · Finance
2.97M people
에스지아이서울보증
SGI Seoul Guarantee Insurance · Finance
Not disclosed (exfiltration contested)
전북대학교
Jeonbuk National University · Education
6,230 people
이화여자대학교
Ewha Womans University · Education
~83,000 records
예스24
Yes24 · E-commerce
Not disclosed
테무
Temu (Whaleco / Elementary Innovation) · E-commerce
Not disclosed
SK텔레콤
SK Telecom · Telecom
23,244,649 people
우리카드
Woori Card · Finance
207,538 merchants
씨제이올리브영
CJ Olive Young · Retail
~4,900 successful logins
카카오페이
Kakao Pay · Finance
40.45M people
하이트진로
HiteJinro · Other
Not disclosed
놀유니버스
NOL Universe (Interpark Global) · E-commerce
Under investigation
유퍼스트보험마케팅
U-First Insurance Marketing · Finance
Not disclosed
순천향대학교
Soonchunhyang University · Education
2,000+ records
골프몬
Golfmon · Gaming
Not disclosed
알리익스프레스
AliExpress · E-commerce
Not disclosed
한국장학재단
Korea Student Aid Foundation · Education
Not disclosed
인터파크
Interpark · E-commerce
784,920 records
팍스넷
Paxnet · Finance
284,054 records
리본즈
Reborns · Other
Not disclosed
카카오 오픈채팅
Kakao Open Chat · Other
Not disclosed
대한민국 법원 전산망
ROK Court IT Network · Public
5,171 recovered documents
디지털대성
Digital Daesung · Education
Not disclosed
하이컨시
Hi-Consy · Education
Not disclosed
호텔스컴바인
HotelsCombined KR · Other
Not disclosed
대한의학회
Korean Academy of Medical Sciences · Healthcare
9,221 people
경북대병원
Kyungpook National University Hospital · Healthcare
3,976 patients
경성대학교
Kyungsung University · Education
Not disclosed
현대해상
Hyundai Marine & Fire Insurance · Finance
Not disclosed
악사손해보험
AXA General Insurance Korea · Finance
Not disclosed
비바리퍼블리카 (토스)
Viva Republica (Toss) · Finance
Not disclosed
신용협동조합중앙회
National Credit Union Federation · Finance
Not disclosed
바노바기성형외과
Banobagi Plastic Surgery · Healthcare
6,251 patients
골프존
Golfzon · Gaming
2.21M people
오픈AI
OpenAI (ChatGPT) · Other
Not disclosed
17개 종합병원
17 General Hospitals (incl. Severance) · Healthcare
185,271 patients
LG유플러스
LG Uplus · Telecom
297,117 records
서울대학교병원
Seoul National University Hospital · Healthcare
Not disclosed
삼성전자
Samsung Electronics · Other
Not disclosed
타오월드
Taoworld · Other
Not disclosed
구미대학교
Gumi University · Education
Not disclosed
도도포인트
Dodo Point (Spoqa) · Other
~1M customers
구글
Google · Other
Not disclosed
메타
Meta Platforms · Other
Not disclosed
페이스북 / 넷플릭스
Facebook / Netflix · Other
Not disclosed
Reading these figures
Totals represent reported accounts or records, not necessarily unique individuals. Every incident retains a source, disclosure date, and evidence status.