BluSapphire OneAgent™ vs Zeek Agent: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
BluSapphire OneAgent™ is a commercial endpoint detection and response tool by BluSapphire Cyber Systems Pvt Limited. Zeek Agent is a free endpoint detection and response tool. Compare features, ratings, integrations, and community reviews side by side to find the best endpoint detection and response fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Startups and SMBs wanting prevention that actually stops attacks before execution will see immediate value in BluSapphire OneAgent™, particularly teams running mixed Windows and Linux environments with minimal security staff. The sub-20ms pre-execution blocking and 100KB memory footprint mean you get zero-day defense without the overhead that forces you to choose between protection and performance. Skip this if your organization needs deep post-breach forensics and recovery workflows; OneAgent prioritizes threat prevention over the incident analysis capabilities that larger enterprises often depend on.
Linux and macOS teams running Zeek already have a natural home for Zeek Agent; it pipes endpoint telemetry directly into your existing detection pipeline without requiring a separate platform. The tool captures file, socket, and process events at the kernel level, giving you raw visibility that feeds Zeek's network detection logic rather than forcing you into a separate EDR console. This is not for buyers shopping for a standalone endpoint tool with its own alerting and response capabilities; Zeek Agent is a collector, not an analyst, and you'll need Zeek expertise to turn events into actionable rules.
