> For the complete documentation index, see [llms.txt](https://abrahamreyes9.gitbook.io/cysa+/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://abrahamreyes9.gitbook.io/cysa+/1.0-threat-and-vulnerability-management/1.1-explain-the-importance-of-threat-data-and-intelligence/proprietary-closed-source-intelligence.md).

# Proprietary / closed-source intelligence

Commercial service offering, subject to a subscription fee. Often repackaged information comes from free public registries 

Also derived from the provider's own research and analysis efforts, such as data from honeynets that they operate, plus information mined from its customers' systems, suitably anonymized. 

Often privileged access is required and is covertly collected 

Examples: IBM X-Force Exchange, FireEye