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Financial Supervisory Service

Financial Supervisory Service Vendor Cyber Rating & Cyber Score

or.kr

Financial regulatory authority in Korea


FSS A.I CyberSecurity Scoring

FSS
Company Information
Website:http://www.fss.or.kr
Employees number:360
Number of followers:0
NAICS:92
Industry Type:Government Administration
Homepage:or.kr
FSS Risk Score (AI oriented)
Between 700 and 749
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FSSGovernment Administration
Updated:
02/04/2026
745/1000
Moderate
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FSS Global Score (TPRM)
xxxx
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FSSGovernment Administration
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Findings

FSS
FSSModerate
Current Score
745Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
AUGUST 2026
752Before Incident
JULY 2026
752Before Incident
JUNE 2026
749Before Incident
MAY 2026
747Before Incident
APRIL 2026
747Before Incident
MARCH 2026
745Before Incident
FEBRUARY 2026
744Before Incident
JANUARY 2026
742Before Incident
DECEMBER 2025
800Before Incident
NOVEMBER 2025
800Before Incident
OCTOBER 2025
799Before Incident
SEPTEMBER 2025
799Before Incident
APRIL 2025
835Before Incident
Breach
01 Apr 2025FSS
Financial Supervisory Service: Regulators to target companies' system security in wake of Coupang data leaks

Major Data Breaches and Cryptocurrency Hack in South Korea Affecting Upbit and Coupang

724After Incident
CRITICAL-111
FIN1764576187
Financial authorities are pushing legal amendments to strengthen companies' system security, calling it pivotal to their survival amid a recent hacking and security breach at Upbit and Coupang, the financial watchdog said on Monday.“A regulatory and sanctions framework at least equivalent to that of the Financial Investment Services and Capital Markets Act will be fully introduced through legal amendments to establish system security as a core and essential investment for survival,” said the Financial Supervisory Service (FSS) Gov. Lee Chan-jin during a press conference held in Yeouido, western Seoul, on Monday.The act is a comprehensive law that regulates Korea’s capital markets to ensure fair competition, protect investors and enhance market efficiency.“Discussions are underway with financial authorities on revising the law to comprehensively strengthen areas related to consumer protection — such as system security — which have been relatively lacking,” Lee added.The governor's remarks followed the recent breach of personal information affecting more than 33 million users of e-commerce giant Coupang and the reportedly North Korea-linked hacking of 44.5 billion won ($30.4 million) in cryptocurrency at Upbit, Korea’s largest crypto exchange.Several companies have suffered data breaches this year, including SK Telecom, with the SIM card information of more than 23 million mobile users hacked in April, and Lotte Card, which experienced a leak that exposed the personal informati
INCIDENT DETAILS -
TYPE
Data BreachCryptocurrency TheftCyberattack
MOTIVATION
Financial Gain (Upbit)Data Theft (Coupang, SK Telecom, Lotte Card)
IMPACT
Financial Loss: 44.5 billion won (~$30.4 million) (Upbit)33 million users' personal information (Coupang)23 million mobile users' SIM card information (SK Telecom)Personal information (Lotte Card, exact number unspecified)Brand Reputation Impact: High (multiple major companies affected, regulatory scrutiny increased)Legal Liabilities: Potential (regulatory amendments and fines under discussion)Identity Theft Risk: High (personal data of millions exposed)
DATA BREACH
Personal Information (Coupang, Lotte Card)SIM Card Information (SK Telecom)33 million (Coupang)23 million (SK Telecom)Unspecified (Lotte Card)Sensitivity Of Data: High (personal and financial data)Data Exfiltration: Yes (confirmed for Coupang, SK Telecom, Lotte Card)Personally Identifiable Information: Yes

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Financial Supervisory Service Cyber Scoring History | Rankiteo