Bishop Fox

Bishop Fox is an offensive security consulting and research company founded in 2005 and headquartered in Tempe, Arizona. The company provides penetration testing, red teaming, application security assessments, cloud security testing, vulnerability research and other offensive security services. Bishop Fox works with enterprises and technology organizations to identify weaknesses before attackers can exploit them. Its consultants test applications, networks, cloud infrastructure, APIs, mobile platforms and physical environments using controlled security assessment methods. The company is also known for security research and development of open-source tools that support the broader security community. Its Cosmos platform provides attack surface discovery and continuous external asset monitoring to help organizations understand their internet-facing exposure. Bishop Fox emphasizes an attacker-focused methodology that combines technical testing with business context and realistic adversary simulation. The company serves organizations across technology, financial services, healthcare, government and other industries where security assurance is important. Its consulting model can support individual penetration tests as well as broader security programs involving recurring red-team exercises and continuous exposure management. Bishop Fox is relevant to security teams seeking independent validation of application, infrastructure and cloud defenses. Its combination of offensive security consulting and proprietary research makes it a recognized provider of adversary simulation and penetration testing services.