Doppel agentic social engineering defense vs Horizon3.ai NodeZero
Quick answer
Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) (Doppel (Doppel Inc.)) and Horizon3.ai NodeZero (autonomous pentesting) (Horizon3.ai) are both listed in the Security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) (Doppel (Doppel Inc.)) and Horizon3.ai NodeZero (autonomous pentesting) (Horizon3.ai) are both listed in the Security category of Agent Index. They share no framework tags in our dataset.
| Field |  Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) |  Horizon3.ai NodeZero (autonomous pentesting) |
|---|---|---|
| Vendor | Doppel (Doppel Inc.) | Horizon3.ai |
| HQ | United States · North America | United States · North America |
| Primary category | Security | Security |
| Also listed in | Security | Security |
| Summary | Social engineering defense platform where AI agents triage employee-reported phishing, remove malicious mail automatically, tune email detection policies and trace phishing back to its sending infrastructure and links to execute takedowns, alongside brand-impersonation takedowns across web, social, ads and app stores. | Autonomous pentesting platform that runs unlimited self-directed internal, external, cloud, Kubernetes and AD pentests, plans attack paths, guides remediation and re-tests to verify fixes. |
| Frameworks (vendor-stated) | — | — |
| Frameworks (vendor-claimed) | — | FedRAMP |
| Capabilities / tasks | email security, phishing triage, threat intelligence, threat detection, remediation | pen test management, attack surface, exposure management, vulnerability management |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://www.doppel.com/product/email-security | https://horizon3.ai/nodezero/ |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://www.doppel.com/product/email-security | https://horizon3.ai/nodezero/ |
FAQ (from this dataset)
What is the difference between Doppel agentic social engineering defense and Horizon3.ai NodeZero?
Both are listed under Security. They share no task tags in this dataset. Doppel agentic social engineering defense-only tasks: email-security, phishing-triage, threat-intelligence, threat-detection, remediation. Horizon3.ai NodeZero-only tasks: pen-test-management, attack-surface, exposure-management, vulnerability-management. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns): Not published Horizon3.ai NodeZero (autonomous pentesting): Not published
Where are Doppel agentic social engineering defense and Horizon3.ai NodeZero headquartered?
Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) publishes HQ in United States. Horizon3.ai NodeZero (autonomous pentesting) publishes HQ in United States.
Also in this use case
Other verified listings that share a task tag or use-case group with Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) or Horizon3.ai NodeZero (autonomous pentesting). Open a pair page or the use-case table — this is not a ranking.
- Amnify security agents (agent-driven code audit, AI pentesting, PR review and autofix pull requests) — German AppSec product from Düsseldorf: a team of agents audits repositories (SAST, secrets, SCA, IaC, CI/CD) and cloud accounts, triages signals so only confirmed findings surface, pentests running apps inside a verified scope with a separate agent reproducing every finding, reviews pull requests with a merge-blocking status check, and opens fix pull requests that run your tests but never merge themselves.
- noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) — Italian agent for mid-sized companies and NIS2 entities without an in-house SOC: after verifying domain control it continuously discovers assets and assesses network, web apps and APIs, correlates findings with EPSS and CISA KEV, confirms exploitability with automated validation pentests, ranks risks by business impact and prepares NIS2, DORA and ISO 27001 reports; the team decides what to fix. · noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) pair comparison
Use-case comparisons
- Email security and phishing-response AI agents — 16 listings (Triage of user-reported phishing, autonomous email threat remediation and AI-run phishing simulation)
- Agentic pentesting AI agents — 33 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
Related
- Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) alternatives
- Horizon3.ai NodeZero (autonomous pentesting) alternatives
- Best security AI agents
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