4.6/5
G2 rating
seller rating, 49 reviews
Report
Embrace a proactive approach with end-to-end cyber threat management, from anticipation to response.
Depends
DependsBuy if you run a staffed SOC or threat-intel function and want an open-source, self-hostable platform with strong ratings.
Credible open-source threat intel for staffed SOC teams; overkill and quote-only pricing for everyone else.
4.6/5
G2 rating
seller rating, 49 reviews
$58M
Latest funding
Series C, October 2025
Yes
Free tier
open-source community edition
2022
Founded
Paris, France
Free open-source core; paid tiers quote-only
Multiple Reddit threads on learning curve
End-to-end suite; GigaOm Radar Outperformer
Publishes security page; open-source, auditable code
Free
Not disclosed
No known public vulnerabilities found in the sources reviewed.
Reddit threat-intel communities actively evaluate and debate OpenCTI as a TIP, and G2 reviewers rate Filigran 4.6/5.
Compare Filigran (OpenCTI / XTM) with each alternative.
Free open-source TIP; simpler but rougher around the edges.
Commercial threat-intel rival; Filigran publishes its own comparison.
Filigran (OpenCTI / XTM) vs AnomaliInvestigation-focused intel tool, ranked alongside Filigran on PeerSpot.
Filigran (OpenCTI / XTM) vs DomainTools IrisBased on 20+ public sources; most review snippets were truncated, limiting verbatim user quotes. No named customer companies appeared in the evidence.
Anonymous. You can change your vote.
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