The metaencryptor ransomware group listed Seoul Semiconductor on its data leak site on 2023-08-16. Sector: Technology Domains named: seoulsemicon.com Claim as published on the leak site: Seoul Semiconductor is the top LED manufacturing company in Korea and No. 3 in the world. Over the past 30 years, Seoul has devoted itself to R&D with a vast patent portfolio and is leading second generation LED technology. Stock: Korea Exchange. Revenue: $842 M Year 2022