CISO Tribune

Vendor comparison · 2 companies

Halo Security vs NCC Group

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. NCC Group is a global cyber security and resilience company with over 2000 colleagues around the world. CISO Tribune files both under Penetration testing and red team services and External attack surface management. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Halo Security
  • NCC Group
Halo Security vs NCC Group: Products, Customers and Funding Compared
Halo 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
  • 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
Not stated on its pagesNot stated on its pages
Founded
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Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
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G2 and Gartner Peer Insights
  • 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
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
November 12, 2026November 4, 2026

Where they overlap

  • Penetration testing and red team services is the primary category of both Halo Security and NCC Group; both are also filed under External attack surface management.

Where they differ, field by field

  • Halo Security is also filed under Vulnerability management and Digital risk protection. NCC Group is also filed under Incident response and forensics and MDR and managed SOC.
  • Halo Security lists Penetration Testing, Attack Surface Management and Application Scanning. NCC Group lists Penetration Testing Services, Continuous Penetration Testing, Managed Extended Detection & Response (MXDR), Attack Surface Management, Cyber Incident Response Retainer and 1 more.

What it sells: Halo Security

What Penetration Testing does[1][2][3][11]
Halo Security's penetration testing service combines manual investigation with tools whose results are validated by testers. Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments. Halo Security offers social engineering and red teaming. An included round of retesting lets customers verify their remediation work.
What Attack Surface Management does[1][2]
Attack surface management covers internet-exposed assets, including websites, APIs, servers, and cloud services. Halo Security continuously checks those assets for vulnerabilities and changes. Halo Security finds and inventories internet-facing assets, including unknown and forgotten websites, IPs, services, and applications.

Questions about Halo Security and NCC Group

What do Halo Security and NCC Group sell?
Halo Security sells Penetration Testing, Attack Surface Management and Application Scanning. NCC Group sells Penetration Testing Services, Continuous Penetration Testing, Managed Extended Detection & Response (MXDR), Attack Surface Management, Cyber Incident Response Retainer and 1 more.
Are Halo Security and NCC Group in the same category?
Yes. Penetration testing and red team services is the primary category of both on CISO Tribune.
Who are Halo Security and NCC Group sold to?
NCC Group also addresses Hyperscalers and their clients that are undertaking cloud transformation.

About Halo Security

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments. Halo Security offers social engineering and red teaming. Halo Security's penetration testing service combines manual investigation with tools whose results are validated by testers.[1][2][3]

Halo Security's ethical hackers explore how an attacker could get in, what they could reach, and how to close the gap. Customers work directly with US-based experts at Halo Security. Halo Security includes one round of retesting so customers can verify their remediation work. Halo Security provides reports and attestation letters that give a customer's team, auditor, and prospects evidence of its security. Halo Security reports support SOC 2, HIPAA, PCI, and other compliance needs.[1][2]

Attack surface management helps organizations discover and monitor the assets they expose to the internet, including websites, APIs, servers, and cloud services. Halo Security continuously checks those internet-exposed assets for vulnerabilities and changes. Halo Security finds and inventories internet-facing assets, including unknown and forgotten websites, IPs, services, and applications. Halo Security identifies open ports and internet-facing services so customers can monitor changes. Halo Security tracks certificates, security headers, third-party scripts, and other security controls across websites. Halo Security detects known vulnerabilities, missing security patches, and outdated software across external servers. Halo Security scans web applications for vulnerabilities such as SQL injection and cross-site scripting. Halo Security monitors for leaked employee credentials, exposed data, and mentions of an organization on the dark web. Halo Security can identify issues like subdomain takeovers, domains for sale, forgotten projects, and misconfigured cloud services. Halo Security risk scores show the external security posture of different teams and business units.[1][2][4][5][11]

Halo Security is a PCI Security Standards Council Approved Scanning Vendor, and its certificate number is 5078-01-11. Halo Security customers can set scans to run daily, weekly, monthly, quarterly, or on-demand. Customers with multiple business units can generate separate reports in the Halo Security portal. Halo Security scans look at an organization from the outside, with nothing to install and nothing to configure.[6][7]

Halo Security connects to AWS to import assets from Route53, ElasticIP, and Elastic Load Balancer. Halo Security creates and tracks security issues in Jira, and it streams security events and findings into Splunk. Halo Security syncs security findings with Vanta for compliance monitoring and reporting, and it sends real-time security alerts to a Slack workspace. Brinqa ingests external attack surface findings directly from the Halo Security platform. Halo Security also runs a Security Review, offered quarterly or semi-annually, in which its team works with customers to identify gaps in their coverage.[8][9][10]

The Halo Security platform helps organizations of all sizes achieve PCI compliance. In 2013, the operation was spun out to form PathDefender, which was shortly thereafter rebranded as TrustedSite. In 2022, the TrustedSite Security services were rebranded as Halo Security, and the TrustedSite brand remains for certification and marketing solutions. Halo Security has a team of over 30 people. Halo Security was originally based in San Francisco and now offers fully remote working opportunities.[1][5][6][7][10][11]

Halo Security on the record

Sources

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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