
The leading authority in offensive security
Bishop Fox is a well-established offensive security provider specializing in penetration testing, red teaming, and continuous threat exposure management. With nearly two decades of experience and a client roster that includes major Fortune 100 companies, they offer both point-in-time assessments and continuous security monitoring through their Cosmos platform.

Bishop Fox is a leading offensive security firm with nearly two decades of experience helping organizations proactively identify and remediate vulnerabilities before they can be exploited by malicious actors. The company combines automated testing tools with deep human expertise to deliver comprehensive security assessments across applications, cloud environments, networks, and emerging technologies like AI/LLM systems. Their service portfolio spans penetration testing, red team exercises, and continuous threat exposure management through their proprietary Cosmos platform. With over 25,000 projects delivered and more than 1,500 customers protected—including 26 of the Fortune 100—Bishop Fox has established itself as a trusted partner for enterprise security. The company maintains strong ties to the security community through open-source tool development (including the widely-used SLIVER framework), published research through Bishop Fox Labs, and active participation in industry events. Their commitment to advancing offensive security knowledge while delivering practical, actionable results has earned them a Net Promoter Score of 70, rated 'Excellent' in customer satisfaction.