This whitepaper presents the security measures and protocols implemented within Foxit Cloud Documents. It outlines key areas such as account security, product security, data security, and operational security. The document details the security practices for user account management, including encrypted password storage and multi-factor authentication options. It discusses product security through a Secure Software Development Life Cycle (S-SDLC), emphasizing various security activities conducted throughout the development process. Data security methods are documented, including static storage security, transport security, and data isolation strategies. The paper also explains the data backup and failure recovery mechanisms. Further, it introduces the data retention policy that governs document storage and destruction processes to comply with legal requirements. The whitepaper specifies that the security framework adheres to industry standards, ensuring the protection of user data during storage and transmission.