Filigran
Depends
Confidence: Medium
Buy if you run a SOC or CTI function and want an open-source threat intelligence backbone with paid enterprise upgrades.
Comparison
Filigran and MISP Open Source Threat Intelligence Platform both land on Depends.
Buy if you run a SOC or CTI function and want an open-source threat intelligence backbone with paid enterprise upgrades.
Adopt it if you run a security team or CSIRT that collects and shares threat indicators and can self-host.
| Compare | Filigran | MISP Open Source Threat Intelligence Platform |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | SOC and CTI teams | CSIRTs and CERT teams |
| Who it's not for | Small businesses without dedicated security staff | Small teams without dedicated security staff |
| Privacy | No known public vulnerabilities found in the sources reviewed. | Transparent disclosure culture; fixes within ~48 hours; several historical XSS/auth CVEs, all patched.16 |
| Support quality | No customer support data in sources | Community default; commercial support sold separately. |
| Public sentiment | Users praise OpenCTI for centralizing threat intelligence at good value, but many report a genuine learning curve.² | The one practitioner quote found calls it a favorite, flexible open source tool for intel feeds when set up correctly. |
| Biggest gotcha | Quote-only pricing means sales negotiation and unclear renewal costs.⁵ | Free license, real cost is admin time: setup, tuning, syncs, patching. |