CoSoSys Endpoint Protector vs Microsoft Purview Data Loss Prevention: Side-by-Side Comparison (2026)

Short answer

Mid-market and enterprise teams handling sensitive data across Windows, macOS, and Linux need Endpoint Protector for its granular USB and peripheral control paired with content-aware file transfer blocking; most competitors either skip device control entirely or lack the N-gram text categorization that catches intellectual property in motion. The tool's offline policy enforcement means remote and hybrid workers stay protected even disconnected, and predefined templates for HIPAA, PCI-DSS, and GDPR cut implementation time significantly. Skip this if your priority is real-time threat response and behavioral analytics; Endpoint Protector is built for data discovery and containment, not for detecting compromise after the fact. Organizations with Microsoft 365-heavy workflows should pick Microsoft Purview Data Loss Prevention because it requires zero configuration for cloud workloads and catches sensitive data movement across Teams, SharePoint, and OneDrive without additional agents or console sprawl. The integration with Microsoft 365 Copilot means you're protecting data at the point where employees are actually working, not just at the perimeter. Skip this if your critical data lives outside Microsoft's ecosystem or you need network-layer DLP that works equally well on non-Microsoft SaaS applications; Purview's strength is depth within one vendor's stack, not breadth across your entire software inventory.