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Filigran OpenCTI is a commercial threat intelligence platforms tool by Filigran. Lunar is a free threat intelligence platforms tool by Webz.io. Compare features, ratings, integrations, and community reviews side by side to find the best threat intelligence platforms fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise security teams drowning in disconnected threat feeds will get the most from Filigran OpenCTI because its hypergraph architecture actually makes intelligence actionable instead of just stored. The 300+ integrations and STIX 2.1 data model mean you can ingest everything from your vendor ecosystem and surface signals that stay buried in spreadsheets elsewhere, with case management that ties intelligence directly to incident response. Skip this if you need a fully managed, point-and-click platform; OpenCTI demands some operational maturity to deploy and configure properly, and the open-source licensing model appeals to teams comfortable with self-hosted infrastructure.
Security teams managing breach aftermath and credential exposure across multiple domains should adopt Lunar for its real-time infostealer log intelligence, which surfaces compromised credentials faster than waiting for breach notifications. The platform ingests large-scale daily breach data and prioritizes service-level context for remediation, directly supporting the NIST Detect function of continuous monitoring and incident characterization. Skip this if you need post-compromise forensics or threat hunting beyond credential validation; Lunar is detection and alerting first, not investigation.
Open-source threat intelligence platform for organizing and operationalizing CTI
Free breach monitoring platform for compromised credential detection & alerting.
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Common questions about comparing Filigran OpenCTI vs Lunar for your threat intelligence platforms needs.
Filigran OpenCTI: Open-source threat intelligence platform for organizing and operationalizing CTI. built by Filigran. headquartered in United States. Core capabilities include STIX 2.1 data model for threat intelligence structuring, Knowledge hypergraph with visual graphs and timelines, MITRE ATT&CK framework mapping..
Lunar: Free breach monitoring platform for compromised credential detection & alerting. built by Webz.io. headquartered in Israel. Core capabilities include Compromised credentials monitoring from breach dumps and infostealer logs, Stolen session cookie and access token intelligence, Forensic context including malware paths, hardware IDs, and malware families..
Both serve the Threat Intelligence Platforms market but differ in approach, feature depth, and target audience.
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