OSINT means open source intelligence, trying to gather information on companies using open information like social media like Google.
OSINT 的意思是开源情报，试图使用谷歌等社交媒体等开放信息收集公司信息。
英语百科
Open-source intelligence
（重定向自OSINT）
Open-source intelligence (OSINT) is intelligence collected from publicly available sources. In the intelligence community (IC), the term "open" refers to overt, publicly available sources (as opposed to covert or clandestine sources); it is not related to open-source software or public intelligence.