The "open source" here has the same meaning like "open source" in "Open Source Intelligence" (OSINT). It's a technical term used by the intelligence community (

The "open source" here has the same meaning like "open source" in "Open Source Intelligence" (OSINT). It's a technical term used by the intelligence community (just like SIGINT or HUMINT), and recently also by the infosec people who have studied the same topic. It refers to all information from public available source. It has nothing to do with open source software. To make the things a little bit more confusing, some infosec researchers and digital-rights activists who study OSINT do have a background of developing free and open source software, and some even have developed open source software to gather open source intelligence... So, if an intelligent agency is gathering intelligence from public-available information about open source software, it would be "open source open source software intelligence", or OSOSSINT. https://en.wikipedia.org/wiki/Open-source_intelligence https://en.wikipedia.org/wiki/Open-source_intelligence