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Should I Use Filigran (OpenCTI / XTM)?

opencti.io·Analyzed 2 hours ago·Based on 17 sources

Embrace a proactive approach with end-to-end cyber threat management, from anticipation to response.

Depends

Depends

Buy 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.

Confidence: Medium

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

Value for money4

Free open-source core; paid tiers quote-only

Ease of use3

Multiple Reddit threads on learning curve

Feature depth4

End-to-end suite; GigaOm Radar Outperformer

Security posture4

Publishes security page; open-source, auditable code

Pros

  • Free, self-hostable open-source core before any purchase
  • 4.6/5 G2 seller rating across 49 reviews¹
  • Named Outperformer in 2026 GigaOm Threat Intelligence Radar
  • End-to-end suite: threat intel plus breach-and-attack simulation (OpenAEV)³
  • Well-funded: $58M Series C signals staying power

Cons

  • No public pricing; enterprise sold via demo and private offers10
  • Steep learning curve; multiple Reddit threads on just getting started
  • Newer OpenAEV product lacks enough G2 reviews to judge³
  • Young company (founded 2022) with a rapidly expanding product line17

Gotchas

  • highEnterprise pricing is quote-only via private AWS Marketplace offers; no list prices10
  • mediumG2 lists 5 pricing tiers; expect a demo call to learn your actual cost²
  • mediumOpen-source vs Enterprise feature split — check license gates before committing
  • lowSaaS pricing basis undisclosed on the official page12

Best for

  • SOC and threat-intel teams
  • MSSPs managing multi-client intel
  • Orgs wanting self-hosted open-source TIP
  • Purple teams running attack simulations

Not for

  • Small businesses with no dedicated security staff
  • Teams wanting simple plug-and-play threat feeds
  • Buyers who need published, transparent pricing
  • Companies without analyst time to curate intel

Pricing

Community Edition

Free

  • Open-source threat intel platform
  • Self-hosted

Enterprise Edition

Not disclosed

  • SaaS or self-hosted
  • Support and enterprise features

Security

No known public vulnerabilities found in the sources reviewed.

What users say

Reddit threat-intel communities actively evaluate and debate OpenCTI as a TIP, and G2 reviewers rate Filigran 4.6/5.

Alternatives

Compare Filigran (OpenCTI / XTM) with each alternative.

MISP

Free open-source TIP; simpler but rougher around the edges.

Full analysis

Based on 20+ public sources; most review snippets were truncated, limiting verbatim user quotes. No named customer companies appeared in the evidence.

Sources

  1. review
  2. review
  3. review
  4. official
  5. news
  6. news
  7. review
  8. review
  9. review
  10. official
  11. official
  12. official
  13. security
  14. security
  15. official
  16. review
  17. news

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