TAXII feeds are a great addition to a monitoring solution such as a SIEM. However, to my knowledge, there are only three distinct openly available providers:

What other threat feeds based on TAXII/STIX are available?

  • I'm not sure if such recommendations are on-topic, as available product and services change over time, though I don't know for sure
    – user163495
    Commented Jun 12, 2020 at 11:57
  • Requests for lists are off-topic as the list could be neverending. As well as "what product/service does X?"
    – schroeder
    Commented Jun 12, 2020 at 12:04
  • TAXII is also just one way to share and get feeds. There is also MISP and STIX.
    – schroeder
    Commented Jun 12, 2020 at 12:06


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