GateScanner Multi-source by Sasa Software is a server-based application that enables secure file transfer between applications on separate networks. It supports network separation with sandbox integration and bi-directional data flow. GateScanner Multi-source, integrated into the data flow, applies a sanitization protocol using Content Disarm and Reconstruction (CDR) technology to ensure files are safe before reaching their destination. It can be coupled with the optical data diode, GateScanner Injector, to achieve secure, air-gapped network segmentation/isolation, commonly implemented in critical infrastructure and industrial control system (ICS) network security schemes. GateScanner Multi-source supports various file sources and destinations, including FTP, FTPS, SFTP, UNC, SMB, and shared/local folders. It integrates with third-party security tools like sandboxes and next-gen AVs, and offers policy-based configuration with customized scanning profiles, user/group policies, and multiple authentication options, including Active Directory (AD) integration. It supports hundreds of file types, including MS Office suite, PDF, media files, archives, PST, OST,.eml, installation files, executables, XML, HTML, other text files, medical imaging files (DICOM), and password-protected and customized files. Central administration, detailed activity reports, interfaces with SIEM/Syslog, and automated updates are also provided. GateScanner engines offer zero-downtime, on-the-fly scalability with built-in Active-Active load balancing.