Greenline Synergy Corporation Limited (GLS) was incorporated in February 1, 2009 with the aim to be a qualified IT company and also provide IT total solution for BDMS Bangkok Dusit Medical Services Public Company Limited (BDMS) is an operator of the Bangkok Hospital and a network of healthcare subsidiaries in Thailand and aboard. BDMS is at the forefront of the Thai healthcare revolution. INFORMATION SECURITY MANAGEMENT SYSTEM - ISO 27001:2013 INFORMATION SECURITY MANAGEMENT IN HEALTH - ISO 27799:2016