In this conference/meetup speech, we will delve into the process of using Azure Cognitive Services for open source intelligence gathering, including collecting and storing data from open data portals and utilizing Azure Cognitive Search to create indexes and indexers for efficient searching. We will also discuss the pricing model for Azure Cognitive Search and provide an interesting use case with a real example of searching on participant data. By the end of the talk, attendees will have a comprehensive understanding of how to leverage Azure Cognitive Services for open source intelligence gathering and other use cases.