BluSapphire OneAgent vs Zeek Agent: Side-by-Side Comparison (2026)

BluSapphire OneAgent: Prevention-first next-gen EDR stopping zero-day & ransomware in <20ms. built by BluSapphire Cyber Systems. Core capabilities include Pre-execution threat prevention in under 20ms, Zero signature updates via patented behavior-based detection, Cross-platform support for Windows, Linux, and containers..

Zeek Agent: An endpoint monitoring tool for Linux and macOS that reports file, socket, and process events to Zeek..

Both serve the Endpoint Detection and Response market but differ in approach, feature depth, and target audience.

BluSapphire OneAgent is developed by BluSapphire Cyber Systems. Zeek Agent is open-source with 123 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

BluSapphire OneAgent and Zeek Agent serve similar Endpoint Detection and Response use cases: both are Endpoint Detection and Response tools, both cover Linux. Key differences: BluSapphire OneAgent is Commercial while Zeek Agent is Free, Zeek Agent is open-source. Review the feature comparison above to determine which fits your requirements.