Replicon's multi-tenant SaaS solution enables Bring Your Own Key (BYOK) encryption for enterprises using AWS services. The architecture includes shared business logic components and dedicated data storage for enterprise users, with a custom Inter-Infrastructure Intelligence system managing data access. This approach allows customers to retain control of their encryption keys while benefiting from Replicon's comprehensive project management platform. The solution leverages AWS Key Management Service, Amazon Aurora, and other AWS services to provide a secure, compliant environment for enterprise customers with specific regulatory requirements.