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Vendor comparison · 4 companies

Bishop Fox, Cobalt, Millennium Corporation and NCC Group

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Bishop Fox, Cobalt, Millennium Corporation and NCC Group Compared
Bishop FoxBishop Fox sells offensive security services, including penetration testing, red team engagements and continuous attack surface management.bishopfox.comCobaltCobalt offers an AI-powered offensive security platform for continuous risk mitigation.cobalt.ioMillennium CorporationMillennium Corporation is a cyber-solutions company specializing in adversarial threat emulation, test and evaluation, and intelligence support operations for the Department of Defense and other federal agencies.millgroupinc.comNCC GroupNCC Group sells cybersecurity services spanning incident response, technical assurance, managed services, consulting and implementation, and threat intelligence.nccgroup.com
What it sells
  • Red Teaming[3]A holistic view of the ability to defend against a real-world attack.
  • Agentic PTaaS[3]Human-led, AI-powered pentesting.
  • Autonomous Pentest[3]Autonomous pentests for releases and new threats.
  • Web Application Pentest[3]Pentesting for web applications.
  • Shadow View[2]Compiles and analyzes data from multiple sources to help secure an organization's high value targets.
  • Millennium Red Team[2]Provides red team services that identify operational and cyber vulnerabilities, supporting NSA-certified Red Teams.
  • Cyber Operations[2]Offensive and defensive cyber services that emulate adversary tactics targeting an organization.
  • Cybersecurity Training[2]Red and blue team training, cyber ranges, and Opposing Force exercises for cybersecurity teams.
  • Penetration Testing Services[1]Security assessments that test an organization's systems to find weaknesses.
  • Continuous Penetration Testing[1]Ongoing testing of environments rather than a single point-in-time engagement.
  • Managed Extended Detection & Response (MXDR)[1]A managed service that monitors customer environments and detects and responds to threats, offered for Microsoft and Splunk tooling.
  • Attack Surface Management[1]Continuous monitoring of an organization's external-facing assets from an attacker's perspective.
  • Cyber Incident Response Retainer[1]A retainer service providing digital forensics and incident response support for critical assets.
  • Online Exposure Monitoring[1]Continuous monitoring of the surface, deep and dark web to reduce the risk and impact of cyber attacks.
Categories
Headquarters
Tempe, United States[2]Not stated on its pagesArlington, VA, United States[1]Not stated on its pages
Founded
2005[1]Not stated on its pagesNot stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pagesNot stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pagesNot stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pagesNot stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen October 23, 2026[5]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, the company sells to enterprises, with a solution described as consolidating pentesting into a centrally managed, continuous program that scales with a business. It also has a small business solution described as comprehensive pentesting to meet compliance requirements. Its financial services solution is written for banking, wealth management, and fintech platforms. A healthcare solution is described as HIPAA-compliant security testing.Not written yetNot written yet
Last verified
September 27, 2026September 27, 2026October 30, 2026November 4, 2026

About Bishop Fox

Bishop Fox sells offensive security services, including penetration testing, red team engagements and continuous attack surface management. The company describes its penetration testing as a modern approach to cybersecurity that combines automated testing tools with human expertise. It says it helps teams in the industries it lists stay ahead of real attackers. It also says more sectors are supported than listed.

Cosmos is described as the continuous offensive security platform designed to provide proactive defense. Cosmos AI is described as the engine behind AI-Powered Penetration Testing. Attack Surface Discovery and Attack Surface Testing are listed there. For red teaming, the company describes a holistic view of the ability to defend against a real-world attack. Red Teaming and Social Engineering are listed in that group. Penetration testing listings include AI/LLM Security Assessment and Application Penetration Testing.[7]

Bishop Fox is an FS-ISAC Affiliate Partner. Its industry links include Health-ISAC Alliance, American Petroleum Institute (API) Alliance and Trusted Partner Network (TPN) Alliance.

The pages also list CASA & MASA, Oracle Assessment and ioXt Alliance Certification.

Bishop Fox on the record

Sources

Bishop Fox full record

  1. [1]bishopfox.comBishop Fox · bishopfox.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]ContactBishop Fox · bishopfox.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Bishop Fox | The leading authority in offensive security… | Bishop FoxBishop Fox · undated page, accessed October 23, 2026 · Tier A
  4. [4]Offensive Security: Penetration Testing Services | Bishop FoxBishop Fox · undated page, accessed October 23, 2026 · Tier A
  5. [5]Continuous Security Testing Services | Bishop FoxBishop Fox · undated page, accessed October 23, 2026 · Tier A
  6. [6]Red Team Services | Bishop FoxBishop Fox · undated page, accessed October 23, 2026 · Tier A
  7. [7]Cosmos Technology Platform | Bishop FoxBishop Fox · undated page, accessed October 23, 2026 · Tier A

Cobalt full record

  1. [1]cobalt.ioCobalt · cobalt.io · undated page, accessed September 27, 2026 · Tier A
  2. [2]Cobalt Introduces New AI Capabilities for Continuous PentestingCobalt via Business Wire · businesswire.com · published March 19, 2026 · Tier A
  3. [3]Cobalt: Continuous Offensive Security TestingCobalt · undated page, accessed October 23, 2026 · Tier A
  4. [4]Cybersecurity Services | CobaltCobalt · undated page, accessed October 23, 2026 · Tier A
  5. [5]Cobalt Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 23, 2026 · Tier C

Millennium Corporation full record

  1. [1]Millennium corporation expands cyber portfolio by acquiring maxisiq business divisionMillennium Corporation · millgroupinc.com · published May 3, 2023 · Tier A
  2. [2]millgroupinc.comMillennium Corporation · millgroupinc.com · undated page, accessed October 30, 2026 · Tier A

NCC Group full record

  1. [1]nccgroup.comNCC Group · nccgroup.com · undated page, accessed November 4, 2026 · Tier A

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