CISO Tribune

Vendor comparison · 2 companies

Halo Security vs Zafran Security

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. Zafran Security sells a platform that brings vulnerability findings together across existing tools into a unified view of exposure across the hybrid enterprise. CISO Tribune files both under External attack surface management and Vulnerability 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
  • Zafran Security
Halo Security vs Zafran Security: 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.comZafran SecurityZafran Security sells a platform that brings vulnerability findings together across existing tools into a unified view of exposure across the hybrid enterprise.zafran.io
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.
  • Zafran Platform[2]Brings vulnerability findings together across existing tools into a unified view of exposure.
  • RemOps[1][2]Uses generative AI to consolidate overlapping remediation tasks and route work to owners.
  • Zero Day Agent[6]Matches new threats to a live software inventory.
  • Exposure Graph[2][7]Weighs what is running, reachable, exploited in the wild and critical to the business.
Categories
Headquarters
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Founded
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Ownership and funding
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Named customers
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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
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  • Gartner Peer Insights: Not stated on its pages
Who it fits
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Last verified
November 12, 2026November 5, 2026

Where they overlap

  • Halo Security and Zafran Security are both filed under External attack surface management and Vulnerability management.

Where they differ, field by field

  • Halo Security's primary category is Penetration testing and red team services; Zafran Security's is Exposure prioritisation and CTEM.
  • Halo Security is also filed under Digital risk protection.
  • Halo Security lists Penetration Testing, Attack Surface Management and Application Scanning. Zafran Security lists Zafran Platform, RemOps, Zero Day Agent and Exposure Graph.

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.

What it sells: Zafran Security

What Zafran Platform does[2]
The Zafran platform takes cloud and AppSec findings from Wiz, Palo Alto Networks, Upwind, AWS and Snyk, and on-prem findings from Tenable, Qualys and Rapid7. Zafran applies a customer's own risk context to reveal which vulnerabilities are exploitable in its environment. Zafran uses existing security controls to show how to reduce exploitability across the environment. Zafran auto-assigns fixes to the right owner in Jira, Slack and ServiceNow.
What RemOps does[1][2]
RemOps uses generative AI to consolidate overlapping remediation tasks and create a clear get-well plan. RemOps routes work to the right owners through existing ticketing platforms.
What Zero Day Agent does[6]
Zafran's Zero Day Agent matches a flaw to a customer's live software inventory, showing which assets run the vulnerable version, which are reachable from the internet, and which are blocked by a live control. Zafran autonomously identifies which assets new threats affect every day, using threat intelligence matched against SBOM data.
What Exposure Graph does[2][7]
Zafran's Exposure Graph weighs what's running and reachable, exploited in the wild, unprotected by controls, and critical to the business. Zafran's exposure graph unifies findings from continuous detection, cloud, AppSec and on-prem scanners, adds risk context, and maps each exposure.

Questions about Halo Security and Zafran Security

What do Halo Security and Zafran Security sell?
Halo Security sells Penetration Testing, Attack Surface Management and Application Scanning. Zafran Security sells Zafran Platform, RemOps, Zero Day Agent and Exposure Graph.
Are Halo Security and Zafran Security in the same category?
They share External attack surface management and Vulnerability management. Halo Security's primary category is Penetration testing and red team services and Zafran Security's is Exposure prioritisation and CTEM.

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

Zafran Security full record

  1. [1]zafran.ioZafran Security · zafran.io · undated page, accessed November 5, 2026 · Tier A
  2. [2]AI-Native Exposure Management Platform | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  3. [3]Customer Reviews | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  4. [4]About Us | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  5. [5]Unify Vulnerability Findings | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  6. [6]Prevent Exploitation at the Speed of AI Attacks | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  7. [7]Prioritize What's Exploitable | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  8. [8]Mitigate Risk | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  9. [9]Exposure Management for Healthcare | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  10. [10]Detect Exposure | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  11. [11]Automate Reporting | ZafranZafran · undated page, accessed November 10, 2026 · Tier A
  12. [12]Exposure Management for Financial Services | ZafranZafran · undated page, accessed November 10, 2026 · Tier A

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