As one of Humanity’s global commons, the frontier of space is the responsibility of the international community. Satellites are the most important space asset for the daily life of both civilians and militaries on Earth. They are used by billions of people, often without actively thinking about their use. Space services have become analogous to electrical service – utilities that people take for granted until they have an outage. This talk will first delve into a basic description of satellite infrastructure in order to establish a baseline of understanding for the range of vulnerabilities present in the satellite ecosystem.