Korean Air Employee Data Breach via Third-Party Supplier KC&D Service
Korean Air confirmed a data breach affecting approximately 30,000 current and former employees. The breach originated from a cyberattack on KC&D Service, a former in-flight catering subsidiary. Employee names and bank account numbers were compromised. Customer data was not affected. The Clop ransomware group claimed responsibility, exploiting an Oracle E-Business Suite vulnerability.
Signal context
First seen: Dec 29, 2025
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Impacted 30,000 current and former employees.
- Breach originated from third-party supplier KC&D Service.
- Compromised data includes employee names and bank account numbers.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
- Source type: supplier or third-party involvement
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 21 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Korean Air Data Breach: 30000 Employee Records Exposed Online | SSOJet News Centralhttps://ssojet.com/news/korean-air-data-breach-30000-employee-records-exposed-online/Public source from ssojet.com.
Korean Air breach impacts almost 30K employees | brief | SC Mediahttps://www.scmagazine.com/brief/korean-air-breach-impacts-almost-30k-employeesPublic source from scmagazine.com.
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