Q: What is OpenCTI used for?

A: OpenCTI is used for cyber threat intelligence, helping organizations collect, analyze, and share structured threat information to improve cybersecurity defenses.

Q: Is OpenCTI free to use?

A: Yes, OpenCTI is free software distributed under the Apache Software License 2.0, allowing users to run, study, modify, and distribute it.

Q: What technology does OpenCTI rely on?

A: OpenCTI uses the Structured Threat Information Expression (STIX) framework to standardize and share cyber threat intelligence.

Q: Where can I find the source code for OpenCTI?

A: The source code is available on GitHub at [https://github.com/OpenCTI-Platform/opencti](https://github.com/OpenCTI-Platform/opencti).

Q: What is the latest stable version of OpenCTI?

A: The latest stable version is 4.0.6, released on January 11, 2021.

OpenCTI

free software for cyber threat intelligence

CreativeWork free_software Q122757685

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OpenCTI

Summary

OpenCTI is a free software^[1].

Key Facts

OpenCTI's instance of is recorded as free software^[2].
OpenCTI's copyright license is recorded as Apache Software License 2.0^[3].
OpenCTI's software version identifier is recorded as 3.3.0^[4].
OpenCTI's software version identifier is recorded as 3.3.1^[5].
OpenCTI's software version identifier is recorded as 3.3.2^[6].
OpenCTI's software version identifier is recorded as 4.0.0^[7].
OpenCTI's software version identifier is recorded as 4.0.1^[8].
OpenCTI's software version identifier is recorded as 4.0.2^[9].
OpenCTI's software version identifier is recorded as 4.0.3^[10].
OpenCTI's software version identifier is recorded as 4.0.4^[11].
OpenCTI's software version identifier is recorded as 4.0.5^[12].
OpenCTI's software version identifier is recorded as 4.0.6^[13].
OpenCTI's software version identifier is recorded as 4.0.7^[14].
OpenCTI's software version identifier is recorded as 4.1.0^[15].
OpenCTI's software version identifier is recorded as 4.1.1^[16].
OpenCTI's software version identifier is recorded as 4.1.2^[17].
OpenCTI's software version identifier is recorded as 4.2.0^[18].
OpenCTI's software version identifier is recorded as 4.2.1^[19].
OpenCTI's software version identifier is recorded as 4.2.2^[20].
OpenCTI's software version identifier is recorded as 4.2.3^[21].
OpenCTI's software version identifier is recorded as 4.2.4^[22].
OpenCTI's software version identifier is recorded as 4.3.0^[23].
OpenCTI's software version identifier is recorded as 4.3.1^[24].
OpenCTI's software version identifier is recorded as 4.3.2^[25].
OpenCTI's software version identifier is recorded as 4.3.3^[26].

⭐ Popularity Graph

4/100 established

📊 Google Search Volume

1,900/mo Navigational

Quick Facts

Instance of free software

Official website filigran.io

License Apache Software License 2.0

Website filigran.io

Instance of free software

Has use cyber threat intelligence

Properties

Software version identifier 3.3.0, 3.3.1, 3.3.2, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.4.0, 4.4.1, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 5.3.8, 5.3.9, 5.3.10, 5.3.11, 5.3.12, 5.3.13, 5.3.14, 5.3.15, 5.3.16, 5.3.17, 5.4.0, 5.4.1, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.5.4, 5.6.0, 5.6.1, 5.6.2, 5.7.0, 5.7.1, 5.7.2, 5.7.3, 5.7.4, 5.7.5, 5.7.6, 5.8.0, 5.8.1, 5.8.2, 5.8.3, 5.8.4, 5.8.5, 5.8.6, 5.8.7, 5.9.0, 5.9.1, 5.9.2, 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.10.0, 5.10.1, 5.10.2, 5.10.3, 5.11.0, 5.11.1, 5.11.2, 5.11.3, 5.11.4, 5.11.5, 5.11.6, 5.11.7, 5.11.8, 5.11.9, 5.11.10, 5.11.11, 5.11.12, 5.11.13, 5.11.14, 5.12.0, 5.12.1, 5.12.2, 5.12.3, 5.12.4, 5.12.5, 5.12.6, 5.12.7, 5.12.8, 5.12.9, 5.12.10, 5.12.11, 5.12.12, 5.12.13, 5.12.14, 5.12.15, 5.12.16, 5.12.17, 5.12.18, 5.12.19, 5.12.20, 5.12.21, 5.12.22, 5.12.23, 5.12.24, 5.12.25, 5.12.26, 5.12.27, 5.12.28, 5.12.29, 5.12.30, 5.12.31, 5.12.32, 5.12.33, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.0.9, 6.0.10, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7, 6.1.8, 6.1.9, 6.1.10, 6.1.11, 6.1.12, 6.1.13, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.2.10, 6.2.11, 6.2.12, 6.2.13, 6.2.14, 6.2.15, 6.2.16, 6.2.17, 6.2.18, 6.3.0, 6.3.1, 6.2.19, 6.3.3, 6.3.4, 6.3.5, 6.3.6, 6.3.7, 6.3.8, 6.3.9, 6.3.10, 6.3.11, 6.3.12, 6.3.13, 6.4.0, 6.4.1, 6.3.14, 6.4.2, 6.4.3, 6.4.4, 6.4.5, 6.4.6, 6.4.7, 6.4.8, 6.4.9, 6.4.10, 6.4.11, 6.5.0, 6.5.1, 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.5.10, 6.5.11, 6.6.0, 6.6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 6.6.12, 6.6.13, 6.6.14, 6.6.15, 6.6.16, 6.6.17, 6.6.18, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.7.4, 6.7.5, 6.7.6, 6.7.7, 6.7.8, 6.7.9, 6.7.10, 6.7.11, 6.7.12, 6.7.13, 6.7.14, 6.7.15, 6.7.16, 6.7.17, 6.7.18, 6.7.19, 6.7.20, 6.8.0, 6.8.1, 6.8.2, 6.8.3, 6.8.4, 6.8.5, 6.8.6, 6.8.7, 6.8.8, 6.8.9, 6.8.10, 6.8.11, 6.8.12, 6.8.13, 6.8.14, 6.8.15, 6.8.16, 6.8.17, 6.9.0, 6.9.1, 6.9.2, 6.9.3, 6.9.4, 6.9.5, 6.9.6, 6.9.7, 6.9.8, 6.9.9, 6.9.10, 6.9.12, 6.9.13, 6.9.14, 6.9.15, 6.9.16, 6.9.17, 6.9.18, 6.9.19, 6.9.20, 6.9.21, 6.9.22, 6.9.23, 6.9.24, 6.9.25, 6.9.26, 6.9.27, 6.9.28

Source code repository url github.com

Use cyber threat intelligence

Uses Structured Threat Information Expression

Version 3.3.0, 3.3.1, 3.3.2, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.4.0, 4.4.1, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 5.3.8, 5.3.9, 5.3.10, 5.3.11, 5.3.12, 5.3.13, 5.3.14, 5.3.15, 5.3.16, 5.3.17, 5.4.0, 5.4.1, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.5.4, 5.6.0, 5.6.1, 5.6.2, 5.7.0, 5.7.1, 5.7.2, 5.7.3, 5.7.4, 5.7.5, 5.7.6, 5.8.0, 5.8.1, 5.8.2, 5.8.3, 5.8.4, 5.8.5, 5.8.6, 5.8.7, 5.9.0, 5.9.1, 5.9.2, 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.10.0, 5.10.1, 5.10.2, 5.10.3, 5.11.0, 5.11.1, 5.11.2, 5.11.3, 5.11.4, 5.11.5, 5.11.6, 5.11.7, 5.11.8, 5.11.9, 5.11.10, 5.11.11, 5.11.12, 5.11.13, 5.11.14, 5.12.0, 5.12.1, 5.12.2, 5.12.3, 5.12.4, 5.12.5, 5.12.6, 5.12.7, 5.12.8, 5.12.9, 5.12.10, 5.12.11, 5.12.12, 5.12.13, 5.12.14, 5.12.15, 5.12.16, 5.12.17, 5.12.18, 5.12.19, 5.12.20, 5.12.21, 5.12.22, 5.12.23, 5.12.24, 5.12.25, 5.12.26, 5.12.27, 5.12.28, 5.12.29, 5.12.30, 5.12.31, 5.12.32, 5.12.33, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.0.9, 6.0.10, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7, 6.1.8, 6.1.9, 6.1.10, 6.1.11, 6.1.12, 6.1.13, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.2.10, 6.2.11, 6.2.12, 6.2.13, 6.2.14, 6.2.15, 6.2.16, 6.2.17, 6.2.18, 6.3.0, 6.3.1, 6.2.19, 6.3.3, 6.3.4, 6.3.5, 6.3.6, 6.3.7, 6.3.8, 6.3.9, 6.3.10, 6.3.11, 6.3.12, 6.3.13, 6.4.0, 6.4.1, 6.3.14, 6.4.2, 6.4.3, 6.4.4, 6.4.5, 6.4.6, 6.4.7, 6.4.8, 6.4.9, 6.4.10, 6.4.11, 6.5.0, 6.5.1, 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.5.10, 6.5.11, 6.6.0, 6.6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 6.6.12, 6.6.13, 6.6.14, 6.6.15, 6.6.16, 6.6.17, 6.6.18, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.7.4, 6.7.5, 6.7.6, 6.7.7, 6.7.8, 6.7.9, 6.7.10, 6.7.11, 6.7.12, 6.7.13, 6.7.14, 6.7.15, 6.7.16, 6.7.17, 6.7.18, 6.7.19, 6.7.20, 6.8.0, 6.8.1, 6.8.2, 6.8.3, 6.8.4, 6.8.5, 6.8.6, 6.8.7, 6.8.8, 6.8.9, 6.8.10, 6.8.11, 6.8.12, 6.8.13, 6.8.14, 6.8.15, 6.8.16, 6.8.17, 6.9.0, 6.9.1, 6.9.2

📊 Search Metrics

Difficulty 18/100

CPC $40.94

Competition 0.26

🔗 Connections

Apache Software License 2.0

Has use 1

cyber threat intelligence

Instance of 1

free software

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ OpenCTI — instance of (P31): free software. wikidata.org.
[3] ↑ OpenCTI — copyright license (P275): Apache Software License 2.0. wikidata.org.
[4] ↑ OpenCTI — software version identifier (P348): 3.3.0. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[5] ↑ OpenCTI — software version identifier (P348): 3.3.1. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[6] ↑ OpenCTI — software version identifier (P348): 3.3.2. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[7] ↑ OpenCTI — software version identifier (P348): 4.0.0. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[8] ↑ OpenCTI — software version identifier (P348): 4.0.1. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[9] ↑ OpenCTI — software version identifier (P348): 4.0.2. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[10] ↑ OpenCTI — software version identifier (P348): 4.0.3. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[11] ↑ OpenCTI — software version identifier (P348): 4.0.4. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[12] ↑ OpenCTI — software version identifier (P348): 4.0.5. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[13] ↑ OpenCTI — software version identifier (P348): 4.0.6. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[14] ↑ OpenCTI — software version identifier (P348): 4.0.7. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[15] ↑ OpenCTI — software version identifier (P348): 4.1.0. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[16] ↑ OpenCTI — software version identifier (P348): 4.1.1. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[17] ↑ OpenCTI — software version identifier (P348): 4.1.2. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[18] ↑ OpenCTI — software version identifier (P348): 4.2.0. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[19] ↑ OpenCTI — software version identifier (P348): 4.2.1. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[20] ↑ OpenCTI — software version identifier (P348): 4.2.2. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[21] ↑ OpenCTI — software version identifier (P348): 4.2.3. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[22] ↑ OpenCTI — software version identifier (P348): 4.2.4. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[23] ↑ OpenCTI — software version identifier (P348): 4.3.0. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[24] ↑ OpenCTI — software version identifier (P348): 4.3.1. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[25] ↑ OpenCTI — software version identifier (P348): 4.3.2. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.
[26] ↑ OpenCTI — software version identifier (P348): 4.3.3. github.com. Retrieved 2023-09-22. github.com. Provenance: wikidata.org.

Class ancestry

[1] ↑ OpenCTI is an instance of free software (Q341) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). OpenCTI. Retrieved May 3, 2026, from https://4ort.xyz/entity/opencti

MLA “OpenCTI.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/opencti.

BibTeX

@misc{4ortxyz_opencti_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{OpenCTI}}, year = {2026}, url = {https://4ort.xyz/entity/opencti}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): OpenCTI — https://4ort.xyz/entity/opencti (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/opencti · Last refreshed: May 3, 2026

OpenCTI

OpenCTI

Summary

Key Facts

Related Entities

References

Direct Wikidata claims

Class ancestry

📑 Cite this page