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Vendor comparison · 4 companies

Bishop Fox, BreachLock, Halo Security and NCC Group

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Bishop Fox, BreachLock, Halo Security and NCC Group Compared
Bishop FoxBishop Fox sells offensive security services, including penetration testing and continuous security testing.bishopfox.comBreachLockBreachLock sells human-delivered, AI-powered and automated testing for attack surface management, penetration testing as a service, and automated pentesting and red teaming, integrated into the BreachLock Platform.breachlock.comHalo SecurityHalo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together.halosecurity.comNCC GroupNCC Group is a global cyber security and resilience company with over 2000 colleagues around the world.nccgroup.com
What it sells
  • Cosmos[3][7][13][14]Bishop Fox's cloud-native technology platform and the foundation of its offensive security services.
  • Penetration Testing Services[4]Bishop Fox penetration testing across applications, networks, products, cloud, and AI systems.
  • Application Penetration Testing[3][9][14]Testing of web, mobile, and other applications, including an AI-powered portfolio option.
  • External Penetration Testing[10]Perimeter testing that emulates targeted adversaries.
  • Hardware Penetration Testing[4][11]Testing of connected devices and their ecosystems.
  • Continuous Security Testing[5][8]Managed continuous testing that Bishop Fox ties to Continuous Threat Exposure Management programs.
  • AIMap[3]Open-source tool built by Bishop Fox for testing exposed AI endpoints.
  • Breach360[1][4][5][6][7]Breach360 continuously tests a web and network attack surface and proves every confirmed finding with a working exploit.
  • Penetration Testing as a Service (PTaaS)[3]BreachLock PTaaS combines certified, expert-led penetration testing with agentic AI-powered acceleration.
  • Attack Surface Management (ASM)[3]BreachLock ASM continuously scans and inventories internet-facing assets, including domains, subdomains, IPs, exposed services, shadow IT, and third-party infrastructure.
  • Red Teaming as a Service (RTaaS)[3]BreachLock RTaaS combines human-delivered red teaming with modern technologies.
  • BreachLock Cyber Security Validation[3]The BreachLock Cyber Security Validation and Exposure Management solution set offers human-delivered, AI-powered, and automated testing for ASM, PTaaS, and automated pentesting and red teaming.
  • Penetration Testing[1][2][3][11]Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments.
  • Attack Surface Management[1][2]Helps organizations discover and monitor the assets they expose to the internet.
  • Application Scanning[5]Scans web applications for vulnerabilities such as SQL injection and cross-site scripting.
  • 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 pagesNot stated on its pagesNot stated on its pages
Founded
2005[1][4][8]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
  • February 10, 2026Bishop Fox announced an updated application penetration testing service that combines its expert testing teams with its proprietary AI engine, Cosmos AI.[14]
  • August 13, 2026BreachLock announced it was named a Sample Vendor in the 2026 Gartner Hype Cycle for Security Operations, in the penetration testing and red teaming as a service categories.[12]
Not 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: 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
  • G2: listed, seen November 10, 2026[13]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Bishop Fox sells mainly to organizations that want offensive security testing of their applications, cloud, networks, devices, and AI systems. Bishop Fox says most enterprises manage many applications with constrained budgets and headcount. Customers it describes include a healthcare technology company moving to SaaS, an energy provider facing nation-state threats to critical infrastructure, and a financial services organization. Its hardware testing is aimed at healthcare devices, consumer tech, and industrial systems. Bishop Fox says it works with customers who are looking to safely deploy AI, release a new app or service, or validate corporate governance. Cosmos is delivered as a managed platform, so customers do not deploy or maintain it themselves.BreachLock describes PTaaS use cases such as preparing for an audit, launching a new product, or building a continuous penetration testing program. BreachLock positions its documentation for organisations that need to satisfy customer and third-party security assessments. BreachLock says it works with enterprises that want to go beyond compliance requirements. Breach360 reports are written for application security teams, developers, and executives.Not written yetNCC Group also addresses Hyperscalers and their clients that are undertaking cloud transformation. Industrial organizations facing regulatory complexity across global operations and supply chains are another group it addresses. Its customer examples include a private university and a major professional services client.
Last verified
September 27, 2026November 12, 2026November 12, 2026November 4, 2026

About Bishop Fox

Bishop Fox sells offensive security services, including penetration testing and continuous security testing. Bishop Fox says it has 20 years of offensive security experience and thousands of customer engagements. Bishop Fox was founded by ethical hackers. Bishop Fox says it is behind offensive security tools including Sliver and CloudFox. Bishop Fox applies agentic AI to its offensive testing, and Bishop Fox assesses models and architectures as part of securing AI and LLM initiatives.

Bishop Fox penetration testing spans applications, networks, products, cloud, and AI systems. Bishop Fox offers assessments of AI systems tailored to the customer's use case, priorities, and development lifecycle. Bishop Fox's application offering includes web and mobile app penetration testing, AI-powered portfolio assessments, and secure code review. Application testing covers web, thick-client, e-commerce, single page applications, and APIs. Bishop Fox runs in-depth manual and dynamic analyses of Android and iOS devices and apps, guided by OWASP testing methodologies. Bishop Fox AI-Powered Application Penetration Testing delivers validated, expert-reviewed findings across an entire portfolio. Bishop Fox application testers are fluent in programming languages such as Python, C, C#, C++, Java, JavaScript, GO, Swift, PHP, Rust, and Objective C.[9]

Bishop Fox cloud testing goes beyond configuration reviews to identify critical and exploitable paths in AWS, GCP, Azure, and Kubernetes environments. Bishop Fox network testing simulates real-world attack scenarios to uncover perimeter weaknesses and identify how an attacker could gain access to internal networks. Bishop Fox says its External Penetration Testing emulates targeted adversaries and results in discovery of defensive gaps, including likelihood of exploitation and business impact. Bishop Fox hardware and software testing covers IoT, consumer, commercial, and industrial devices. Hardware testing inspects devices down to electronic components including PCBs, chips, storage, debugging interfaces, and bus protocols. Bishop Fox experts test strategic partners and 3rd party vendors.[11]

Bishop Fox provides continuous security testing that it describes as integral to a successful Continuous Threat Exposure Management (CTEM) program. Bishop Fox managed services identify, prioritize, and help customers remediate business-impacting exposures. Bishop Fox Attack Surface Discovery continuously finds, validates, and attributes perimeter assets. Bishop Fox Emerging Threat Testing delivers a per-environment verdict. Bishop Fox says its red team work lets customers face the tactics real adversaries use and see how their team responds. Bishop Fox customizes its reporting, weekly status reports, and post-engagement reviews to the unique needs of the customer's organization.[12][13]

Cosmos is Bishop Fox's cloud-native technology platform and the foundation of its offensive security services. Cosmos is built on stateless microservices that auto scale to enterprise volumes, continuously discovers external assets, and routes high-confidence findings into an expert human validation pipeline. Cosmos builds and verifies a living inventory of an organization's external attack surface. Cosmos runs daily automations that validate reachability and protocol behavior so customers see only verified, visible assets. Cosmos captures evidence in the form of technology fingerprints, screenshots, and service metadata. Cosmos uses tenant- and organization-level cloud connectors. Cosmos integrates with customer workflows through Jira and ServiceNow, syncing validated findings into existing ticketing systems. Validated outputs are surfaced through the Bishop Fox Portal, which provides an asset inventory, confirmed findings, indicators of exposure, and a triage workflow integrated with customer ticketing and collaboration systems. Bishop Fox operates and manages Cosmos as part of its services, and customers do not deploy or maintain the platform themselves.[7]

Bishop Fox built AIMap, an open-source tool that discovers, scores, and tests exposed AI endpoints. Sliver is a cross-platform general purpose implant framework. Sliver supports asymmetrically encrypted C2 over DNS, HTTP, HTTPS, and Mutual TLS.

Bishop Fox says it helps customers who are looking to safely deploy AI, release a new app or service, or validate corporate governance. A healthcare technology company moving to SaaS needed to validate its multi-tenant cloud platform, secure connected device provisioning, and maintain visibility across a growing attack surface. An energy provider faces constant threats from nation-state actors targeting critical infrastructure. Equifax runs year-round perimeter testing to safeguard high-value data. Zoom used continuous attack surface monitoring to protect its expanding platform. Apollo selected Bishop Fox to perform a Google Security Assessment of its application, external perimeter, and Google Cloud Platform (GCP) environment. John Deere relied on in-depth product security reviews and ongoing protection through a managed offensive security platform. Ventrilo.ai partnered with Bishop Fox for application penetration testing and AI security assessments. A financial services organization tested Bishop Fox's Cosmos AI platform against a realistic application.[7][9][13]

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
  8. [8]Offensive Security Services | Bishop FoxBishop Fox · undated page, accessed November 5, 2026 · Tier A
  9. [9]Application Penetration Testing Services | Bishop FoxBishop Fox · undated page, accessed November 5, 2026 · Tier A
  10. [10]External Penetration Testing for Network Security | Bishop FoxBishop Fox · undated page, accessed November 5, 2026 · Tier A
  11. [11]Hardware Security Assessments and Product Security… | Bishop FoxBishop Fox · undated page, accessed November 5, 2026 · Tier A
  12. [12]Bishop Fox | Tactics of Deception: Protecting Trust and PurposeBishop Fox · undated page, accessed November 5, 2026 · Tier A
  13. [13]Explore Customers of Our Offensive Security Solutions | Bishop FoxBishop Fox · undated page, accessed November 5, 2026 · Tier A
  14. [14]Bishop Fox Redefines Offensive Security at Scale with AI-Augmented Penetration TestingBishop Fox · published February 10, 2026 · Tier A

BreachLock full record

  1. [1]breachlock.comBreachLock · breachlock.com · undated page, accessed November 12, 2026 · Tier A
  2. [2]Overview of on demand penetration testing module in breachlock platformBreachLock · breachlock.com · published September 24, 2019 · Tier A
  3. [3]Cyber Security validation - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  4. [4]Autonomous AI Penetration Testing | BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  5. [5]Breachlock Platform - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  6. [6]Breach360 Web Application - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  7. [7]PTaaS - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  8. [8]Attack Surface Management ASM - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  9. [9]Pen testing Services - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  10. [10]Red Teaming as a Service - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  11. [11]Products - AI CSV - BreachLockBreachLock · undated page, accessed November 12, 2026 · Tier A
  12. [12]BreachLock Named Sample Vendor for Red Teaming as a Service and Penetration Testing as a Service in the Gartner® Hype Cycle™ for Security Operations, 2026 - BreachLockBreachLock · published August 13, 2026 · Tier A

Halo Security full record

  1. [1]halosecurity.comHalo Security · halosecurity.com · undated page, accessed November 12, 2026 · Tier A
  2. [2]Trusted, US-Based Penetration Testing | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  3. [3]12 Questions to Ask a Pentesting Company | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  4. [4]Attack Surface Management Features | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  5. [5]Assess security program effectiveness | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  6. [6]Achieve PCI Compliance | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  7. [7]PCI Compliance Scanning from an ASV | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  8. [8]Integrations | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  9. [9]Halo Security + Brinqa: EASM Meets CTEMHalo Security · undated page, accessed November 12, 2026 · Tier A
  10. [10]Security Review | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  11. [11]Customers | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  12. [12]About Us | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A

NCC Group full record

  1. [1]nccgroup.comNCC Group · nccgroup.com · undated page, accessed November 4, 2026 · Tier A
  2. [2]Case Study: Digital Forensics for Tulane University | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  3. [3]NCC Group | Leading Cyber Security & Managed ServicesNCC Group · undated page, accessed November 10, 2026 · Tier A
  4. [4]Reflections from the 2025 Auto-ISAC Cybersecurity Summit | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  5. [5]Penetration Testing Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  6. [6]Managed Security Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cloud & Digital Transformation Security Solutions | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  8. [8]Proactive Security | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  9. [9]Operational Technology (OT) Security | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  10. [10]Digital Identity Solutions | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  11. [11]Supply Chain & Third-Party Cyber Risk | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  12. [12]Case Study: Cloud Migration for Professional Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  13. [13]NCC Group Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

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