Delta established an information security organization which is responsible for formulating information security policies to ensure the information security of Delta's IT infrastructure, information application systems, and products, and the data security of customers. Delta expanded the ISO 27001 information security certification to Europe in 2022 and introduced the ISO 27701 personal data management system to enhance the security of personal data. In October 2022, Delta obtained both ISO 27001 and ISO 27701 certifications. Delta will continue to enhance the protection of information infrastructure and application systems and implement data security and personal data protection mechanisms.