South Korea
KOR
Ransomware takes YES24 ticketing and digital-content services offline
YES24 said an unknown attacker deployed ransomware at about 04:00 on June 9, making system control difficult. Ticketing, e-book and community services remained broadly unavailable during the recovery period, with major services returning progressively after administrative control was restored.
80
Estimated severity
80 / 100
96
Source reliability
96 / 100
Approximate Date
09/06/2025
Targeted Company
YES24
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
South Korea
Affected countries
South Korea
Impacted regions
No information
Operational Impact
Duration
4 days
Financial impact (USD M)
No information
Impact types
Service unavailabilityOrder processing disruptionOperational disruption
Affected sectors
Retail
Affected departments
Information TechnologySalesOrder ManagementCustomer Service
Attack Profile
Attack types
Ransomware
Attributed threat actors
No information