CISO Tribune

Vendor comparison · 2 companies

HackerOne vs Nagomi Security

HackerOne puts Continuous Threat Exposure Management (CTEM) in practice through a continuous loop of discovery, validation, prioritization and remediation. Nagomi Security sells a platform that turns the tools its customers already own into a coordinated defense. CISO Tribune files both under Exposure prioritisation and CTEM. 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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  • HackerOne
  • Nagomi Security
HackerOne vs Nagomi Security: Products, Customers and Funding Compared
HackerOneHackerOne puts Continuous Threat Exposure Management (CTEM) in practice through a continuous loop of discovery, validation, prioritization and remediation.hackerone.comNagomi SecurityNagomi Security sells a platform that turns the tools its customers already own into a coordinated defense.nagomisecurity.com
What it sells
  • H1 Platform[2][3][6][8]Discovers, validates, prioritizes and remediates exploitable risk across the attack surface.
  • H1 Bounty[3]A product in which Hai supports triage, report summaries, and remediation guidance.
  • H1 Code[2]Available with opt-in frontier cyber model access.
  • H1 Code Security Audit[2]Uses agentic analysis to catch flaws built over years of releases.
  • AI Exposure Eliminators[3][4]Agents that run investigations against live environment changes. They pick the neutralization path and validate the close.
  • Agentic Exposure Operations[3][5]An operating model that closes exposure at the root across identity, attack surface, misconfigurations, and vulnerabilities.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesPrivately held[2][4][6]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • July 29, 2026HackerOne launched H1 Remediation, a new H1 Platform capability that delivers developer-ready fix plans for validated, exploitable findings.[6]
  • June 2, 2026HackerOne announced the H1 Platform, an agentic AI platform for continuous discovery, validation, prioritization and remediation of exposures.[8]
  • March 18, 2026HackerOne launched Agentic Prompt Injection Testing, a capability that checks whether AI systems can be exploited under real-world adversarial conditions.[7]
  • September 30, 2026Nagomi Security announced a partnership and native integration with Recorded Future, bringing its threat intelligence into the Nagomi platform for joint customers.[11]
  • March 19, 2026Nagomi Security announced Agentic Exposure Ops, extending its platform from exposure visibility to agent-driven exposure elimination.[12]
  • March 19, 2026Nagomi Security announced Agentic Exposure Ops, a new operating model for continuous, agent-driven exposure management.[10]
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
Who it fits
From its own pages, HackerOne sells mainly to teams operationalizing continuous exposure management and to complex, security-mature organizations, with platform coverage also described for the largest, most complex organizations. For AI security work, HackerOne names frontier labs and global enterprises as organizations it serves. Enterprises that need documentation showing AI systems were tested against recognized security and governance standards are also addressed.From its own pages, the company sells to teams that run their own security tools. The about page describes its operating model as built for teams ready to do less and step into total control. The integrations page says Nagomi connects to the security tools in its customers' environments, and lists tool categories such as Identity and Access Management (IAM) and Cloud Security Posture Management (CSPM). The home page frames its offer as a move from exposure overload to autonomous control. The support policy ties support to a paid subscription.
Last verified
November 4, 2026September 27, 2026

Where they overlap

  • Exposure prioritisation and CTEM is the primary category of both HackerOne and Nagomi Security.

Where they differ, field by field

  • HackerOne is also filed under Bug bounty and crowdsourced testing, Penetration testing and red team services and Vulnerability management.
  • HackerOne lists H1 Platform, H1 Bounty, H1 Code and H1 Code Security Audit. Nagomi Security lists AI Exposure Eliminators and Agentic Exposure Operations.
  • Nagomi Security is privately held.

How they differ

CISO Tribune files both HackerOne and Nagomi Security under Exposure prioritisation and CTEM as the primary category. HackerOne also sits under Bug bounty and crowdsourced testing, Penetration testing and red team services, and Vulnerability management.

HackerOne sells the H1 Platform, which discovers, validates, prioritizes and remediates exploitable risk across the attack surface, with Hai as its agentic AI orchestrator. Its lineup also includes H1 Bounty, where HackerOne's global community of researchers continues to do the finding, plus H1 Code and H1 Code Security Audit. For AI security, HackerOne offers AI red teaming, and it says it has tested 1,700+ AI assets across customer scopes. HackerOne names frontier labs and global enterprises as organizations it serves with AI security testing. On July 29, 2026, HackerOne launched H1 Remediation, which delivers developer-ready fix plans for validated, exploitable findings.

Nagomi Security sells Agentic Exposure Operations, an operating model that closes exposure across identity, attack surface, misconfigurations, and vulnerabilities. Nagomi connects to the EDR, identity, firewalls, and vulnerability tools its customers already own to build a single exposure picture. Nagomi Security is privately held. On September 30, 2026, it announced a partnership and native integration with Recorded Future for joint customers.

What it sells: HackerOne

What H1 Platform does[2][3][6][8]
The H1 Platform has a multi-model harness that broadens coverage, validates outputs, and traces findings to root cause. Hai is the agentic AI orchestrator that powers automation across the H1 Platform. Hai scores every incoming finding and surfaces what is actually exploitable in the customer's environment. Each product is an entry point into the full H1 Platform.
What H1 Bounty does[3]
Within H1 Bounty, Hai supports a team with triage, report summaries, and remediation guidance. HackerOne's global community of researchers continues to do the finding.
What H1 Code Security Audit does[2]
H1 Code Security Audit is available with opt-in frontier cyber model access. Agentic analysis catches flaws built over years of releases.

What it sells: Nagomi Security

What AI Exposure Eliminators does[3][4]
AI Exposure Eliminators run investigations against live environment changes once the unified exposure picture is built. The agents run the full investigation, pick the neutralization path, route the work, and validate the close without prompting. Eliminators check reachability, evaluate existing controls, and chain what attackers would chain.
What Agentic Exposure Operations does[3][5]
Agentic Exposure Operations closes exposure at the root. It continuously investigates, catches, neutralizes, and validates the close across identity, attack surface, misconfigurations, and vulnerabilities. Nagomi automatically investigates, neutralizes, and validates every close.

Questions about HackerOne and Nagomi Security

What do HackerOne and Nagomi Security sell?
HackerOne sells H1 Platform, H1 Bounty, H1 Code and H1 Code Security Audit. Nagomi Security sells AI Exposure Eliminators and Agentic Exposure Operations.
Are HackerOne and Nagomi Security in the same category?
Yes. Exposure prioritisation and CTEM is the primary category of both on CISO Tribune.
Who owns HackerOne and Nagomi Security?
Nagomi Security is privately held.
Who are HackerOne and Nagomi Security sold to?
From its own pages, HackerOne sells mainly to teams operationalizing continuous exposure management and to complex, security-mature organizations, with platform coverage also described for the largest, most complex organizations. From its own pages, the company sells to teams that run their own security tools.
What have HackerOne and Nagomi Security announced recently?
July 29, 2026: HackerOne launched H1 Remediation, a new H1 Platform capability that delivers developer-ready fix plans for validated, exploitable findings. September 30, 2026: Nagomi Security announced a partnership and native integration with Recorded Future, bringing its threat intelligence into the Nagomi platform for joint customers.

About HackerOne

HackerOne puts Continuous Threat Exposure Management (CTEM) in practice through a continuous loop of discovery, validation, prioritization and remediation. The H1 Platform continuously discovers, validates, prioritizes and remediates exploitable risk across the entire attack surface. The H1 Platform operationalizes CTEM as a single connected system, with Hai as the agentic orchestration layer across every stage. Each product is an entry point into the full H1 Platform.[1][2]

Hai is HackerOne's agentic AI orchestrator, powering automation across the H1 Platform. Hai coordinates agents across every stage of the platform as a single connected system. Hai scores every incoming finding and surfaces what is actually exploitable in the customer's environment. Within H1 Bounty, Hai supports a team with triage, report summaries, and remediation guidance. HackerOne's global community of researchers continues to do the finding.[2][3]

Remediation guidance routes each finding to the right owner with full exploit context, delivered into the tools a team already uses. Retests confirm that fixes hold, and regression monitoring catches recurrences before they reopen. Core capabilities include continuous asset discovery and exposure scoring, workflow automation, and 36+ integrations. Cross-program dashboards track exposure velocity, remediation speed, and signal quality. Return on Mitigation is self-serve and gives a measure of avoided financial loss. The H1 Platform's multi-model harness broadens coverage, validates outputs, and traces findings to root cause.[2]

HackerOne's product lineup covers several kinds of testing. Always-on agentic testing continuously finds, validates and proves exploitable vulnerabilities across applications. Source code-informed fix plans are delivered in one click to engineering. AI code security reviews pull requests, validates exploitability and delivers context-aware fixes into developer workflows. Incentivized, time-boxed testing focuses researchers on a specific scope or objective. H1 Code, H1 Code Security Audit, and H1 Remediation are available with opt-in frontier cyber model access, adding deeper reasoning across the codebase.[2][4]

HackerOne combines human-led offensive testing with agentic adversarial validation for AI security. HackerOne tests models, retrieval pipelines, tools, APIs, and agent workflows to validate where systems can be exploited under real adversarial pressure. AI red teaming is adversarial testing built for AI systems, models, agents, and their integrations. H1 AI Red Teaming engagements include agent-driven testing to validate prompt injection exploitability across retrieval pipelines, tool permissions, and agent workflows. Validated findings and reproducible attack traces are delivered in the HackerOne Platform. AI red teaming reports can be mapped to NIST AI RMF, SOC 2, ISO 42001, HITRUST, and GDPR frameworks. HackerOne has tested 1,700+ AI assets across customer scopes.[3][4][5]

Anthropic CISO Jason Clinton chose HackerOne's full-stack red teaming to uncover hidden risks across AI models, applications, and system integrations. HackerOne names frontier labs and global enterprises as organizations it serves with AI security testing.[2][3][5]

HackerOne on the record

Sources

HackerOne full record

  1. [1]NewsroomHackerOne · hackerone.com · undated page, accessed November 4, 2026 · Tier A
  2. [2]Platform Overview | HackerOneHackerOne · undated page, accessed November 10, 2026 · Tier A
  3. [3]H1 AI Red Teaming | Offensive Testing for AI Models | HackerOneHackerOne · undated page, accessed November 10, 2026 · Tier A
  4. [4]HackerOne | Leader in Continuous Threat Exposure Management | Security for AIHackerOne · undated page, accessed November 10, 2026 · Tier A
  5. [5]AI Cybersecurity Solutions: AI Red Teaming, Penetration Testing, Vulnerability Testing | HackerOneHackerOne · undated page, accessed November 10, 2026 · Tier A
  6. [6]HackerOne Launches H1 Remediation to Accelerate the Path from Validated Exposure to Verified Fix | HackerOneHackerOne · published July 29, 2026 · Tier A
  7. [7]HackerOne Launches Agentic Prompt Injection Testing as AI Vulnerabilities Surge 540% | HackerOneHackerOne · published March 18, 2026 · Tier A
  8. [8]H1 Platform Delivers Continuous Threat Exposure Management at AI Scale with Validated Exploitability | HackerOneHackerOne · published June 2, 2026 · Tier A

Nagomi Security full record

  1. [1]nagomisecurity.comNagomi Security · nagomisecurity.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Nagomi Security Emerges from Stealth with $30 Million in Funding to Help Security Teams Minimize Threat Exposure Using Existing ToolsNagomi Security via Business Wire · businesswire.com · published April 24, 2024 · Tier A
  3. [3]Agentic Exposure Operations Platform | Nagomi SecurityNagomi Security · undated page, accessed October 26, 2026 · Tier A
  4. [4]AI Exposure Management Platform | Nagomi SecurityNagomi Security · undated page, accessed October 26, 2026 · Tier A
  5. [5]About Nagomi Security | Agentic Exposure OperationsNagomi Security · undated page, accessed October 26, 2026 · Tier A
  6. [6]Security Tool Integrations for Exposure Management | NagomiNagomi Security · undated page, accessed October 26, 2026 · Tier A
  7. [7]SaaS License Agreement | Nagomi SecurityNagomi Security · published July 2, 2024 · Tier A
  8. [8]Customer Support Policy | Nagomi SecurityNagomi Security · published April 23, 2024 · Tier A
  9. [9]Nagomi SecurityNagomi Security · undated page, accessed October 26, 2026 · Tier A
  10. [10]Nagomi Security Expands Its Platform With Agentic Exposure OpsNagomi Security · published March 19, 2026 · Tier A
  11. [11]Nagomi Security and Recorded Future Announce Partnership to Connect Threat Intelligence and Exposure EliminationNagomi Security · published September 30, 2026 · Tier A
  12. [12]Nagomi Security Expands Its Platform With Agentic Exposure OpsBusiness Wire · published March 19, 2026 · Tier A

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