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Editor's Pick

Bishop Fox

Premier US-based offensive security firm known for elite penetration testers, cutting-edge research, and the Cosmos continuous attack surface management platform.

Best OverallElite TestersResearch Pioneers

About

Bishop Fox is a leading offensive security firm based in Tempe, Arizona, widely recognized as one of the premier penetration testing providers in the United States. Founded in 2005, the company has built a reputation for combining deep technical expertise with innovative approaches to adversarial testing. The firm serves Fortune 500 companies and high-growth technology companies with services spanning application penetration testing, network testing, red teaming, cloud security assessments, and their continuous attack surface management platform called Cosmos.

Bishop Fox's team includes some of the most respected researchers in the security industry, with consultants who regularly speak at Black Hat, DEF CON, and other top security conferences. Their research team has discovered critical vulnerabilities in widely used software and hardware products, contributing hundreds of CVEs to the security community.

The company has invested heavily in continuous penetration testing capabilities, allowing clients to maintain ongoing security posture assessments rather than relying on point-in-time engagements. Their approach blends manual expertise with proprietary automation tools, delivering premium-quality assessments that meet the needs of the most security-conscious organizations.

Methodologies

OWASPPTESNISTOSSTMM

Team Activity

Active in CTF competitions (Top 10 in multiple CTF competitions)
Inc. 5000 Fastest Growing Companies
Speaker: Black Hat
Speaker: DEF CON
Speaker: RSA Conference
Speaker: ShmooCon
Open source: Sliver
Open source: Gauntlet
Open source: Cloudfox

Score Breakdown

50/100
Accreditations20/100 (30%)
Reviews0/100 (25%)
Team Activity90/100 (15%)
Experience100/100 (15%)
Service Breadth100/100 (15%)

Details

Headquarters
Tempe, Arizona, United States
Founded
2005
Team Size
201-500
Markets
North America, Global
Geography
Global

Accreditations

SOC 2OSCP Employer

Best For

EnterpriseMid-Market
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