Bishop Fox is a cybersecurity consulting firm that provides services such as penetration testing, red teaming, and vulnerability assessments. The company was founded in 2005 by Vincent Liu and several other security professionals. Bishop Fox is headquartered in Phoenix, Arizona, and has additional offices in Atlanta, New York, San Francisco, and Barcelona. The company's clients include Fortune 500 companies, startups, and government agencies. Bishop Fox has been recognized as one of the fastest-growing private companies in the United States by Inc. magazine.