Mudge (@dotMudge) is a computer hacker from the United States. His prior research includes early contributions to the theory and practice of buffer overflows, vulnerability discovery, and other foundational topics in computer and communications security. For over 20 years, he has been working to inform and protect the public, in both public and private sector. In 2016, together with Sarah Zatko, he co-founded CITL and currently serves as the chairman of the board.