The n0n ransomware group listed Dong-A Tanker (oil tanker operations) on its data leak site on 2026-10-12. Country: KR Sector: Transportation Claim as published on the leak site: Oil tanker shipping · South Korea | Internal financial records (demurrage/despatch and performance data) | [NOT PAID — EXPOSED: files publish 2026-10-19 13:27 UTC]