Is the collection and analysis of information from publicly available sources to gather intelligence and insights. These sources include publicly accessible websites, social media platforms, news articles, government publications, online forums, and other publicly available data. 

You might be wondering why does OSINT matter for ethical hackers? OSINT serves as the first step in the ethical hacking process as it allows hackers to gather information, assess risks, identify vulnerabilities, and ultimately improve the security posture of the company/organization. 

We will learn several OSINT techniques. Recall, this is just the tip of the iceberg and more utilities, services and skills can be built.  

A great site that has lots of resources and can be beneficial to use is https://osintframework.com/. It breaks items down by topics and then provides a resource you can use to gain information.