Acra is a database protection suite that provides application-level encryption and intrusion detection capabilities for distributed applications. The tool offers field-level encryption for sensitive data records, allowing organizations to encrypt individual database cells, data fields, and JSON objects before storing them in databases or file storage systems. Data is encrypted as early as possible in the application workflow and decrypted within a secure compartmented area on the Acra side. The suite includes multi-layered access control mechanisms and database leakage prevention features to protect against unauthorized data access. It incorporates intrusion detection capabilities to monitor and alert on suspicious database activities. Acra is designed for distributed applications including web applications, server-side applications, and mobile apps that store data in centralized databases or object storage systems. The tool supports various deployment scenarios from single database setups to multi-database environments. The solution is applicable across multiple industries including healthcare for patient data protection, financial services for sensitive financial information, SaaS platforms, critical infrastructure systems, IoT applications processing telemetry data, and high-load data processing applications.