Arsenal is a space for developers to showcase the latest open source tools and products with Black Hat attendees. Demonstrations are held in an open, conversational environment, enabling presenters to interact with attendees and provide a hands-on experience.

Participants are able to connect with others in the community and learn about new, cutting-edge research and tools to strengthen their security toolkits. Different tools are showcased across multiple days, including brand new tools, released for the first time. In 2019, Arsenal added Arsenal Labs to allow visitors to tinker with hardware and open-source tools in workshops led by tool developers.