Ziroh Labs' OStor is an Enterprise File Storage, Sync, and Collaborate Application designed to preserve privacy and business confidentiality. It stores content, metadata, folder structures, and content index in encrypted format while enabling search, viewing, and retrieval without server-side decryption. Utilizing homomorphic encryption, OStor ensures data remains encrypted during operations, providing secure cloud storage, search, and collaboration on encrypted data. It supports runtime encryption alongside at-rest and in-transit encryption, protecting data throughout its lifecycle. OStor is integrated into secure cloud infrastructures for governments and critical infrastructure providers, offering enhanced key and secrets management.