MISP vs OpenCTI

MISP is an open source platform for collecting, storing, distributing, and sharing cybersecurity indicators and threat information for incident and malware analysis. It is designed for incident analysts, security and ICT professionals, and malware reversers. Analysts can correlate information using fuzzy hashes and CIDR overlaps, then add comments, sightings, opinions, proposals, or counter-analysis. Distribution levels and custom sharing groups control access down to individual attributes, and instances can synchronize intelligence in real time. MISP supports signing and encrypting notifications with GnuPG or S/MIME, as well as signing and validating shared information. Automation options include an OpenAPI-described REST API, PyMISP, Python enrichment modules, and ZMQ or Kafka streaming. Import and export formats include STIX 1 and 2, OpenIOC, CSV, Suricata, Snort, and Zeek. MISP can run on-premise, in the cloud, or as SaaS, and the project recommends Ubuntu 24.04 or misp-docker for deployment. The software costs nothing under AGPL. Paid yearly support, sustainability support, and training options are also listed.

OpenCTI has no write-up on Specifiction yet; its figures are above.