The incransom ransomware group listed BRIGHT SYSTEM JAPAN CO., LTD on its data leak site on 2025-09-13. Country: JP Sector: Technology Domains named: brightsystem.co.jp Claim as published on the leak site: BRIGHT SYSTEM JAPAN CO., LTD. will support the IT infrastructure of Japanese corporations in Thailand. Currently, many Japanese corporations are expanding their business in Thailand. Therefore, we will not protect your data well, and it will be successfully leaked.