Cobalt Strike is an adversary simulation platform developed for penetration testers by Raphael Mudge, founder of Strategic Cyber LLC. Designed for interoperability with other platforms such as Metasploit, NMAP, and Powershell Empire, it can be run using Armitage, a graphic user interface (GUI) developed by Mudge, initially for Metasploit. Armitage and Cobalt Strike are designed around a team server that allows for the sharing of information and the ability to direct and execute well-coordinated actions.