From the perspective of passenger data security technology management in the transportation industry, CipherGateway has sorted out the relevant regulations and standards of the civil aviation passenger service system, including “GB/T 22239-2019 Baseline for classified protection of cybersecurity”, “GM/T 0054-2018 General requirements for information system cryptography application”, GDPR, PCI-DSS, etc. Combined with the characteristics of the passenger service system in the transportation industry, the data involved in each link is systematically combed, and the vulnerability and risk points of passenger personal information protection are analyzed and identified. CipherGateway’s innovative technologies that are free of re-development and transformation of application, starting with and focusing on applications, combine data encryption, access control, and high-confidence auditing, rebuilding the security protection mechanism for sensitive information, and achieving fine-grained protection for the entire life cycle of data.。