Beelzebub Arcangelo vs Co-Brain Questionnaire Agent
Quick answer
Beelzebub Arcangelo (IASM/EASM with agentic penetration testing) (Beelzebub (Beelzebub S.r.l.)) and Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) are both listed in the Security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Beelzebub Arcangelo (IASM/EASM with agentic penetration testing) (Beelzebub (Beelzebub S.r.l.)) and Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) are both listed in the Security category of Agent Index. They share no framework tags in our dataset. Only Co-Brain Questionnaire Agent (security questionnaire automation) is tagged for DORA.
| Field |  Beelzebub Arcangelo (IASM/EASM with agentic penetration testing) |  Co-Brain Questionnaire Agent (security questionnaire automation) |
|---|---|---|
| Vendor | Beelzebub (Beelzebub S.r.l.) | Co-Brain (Co-Brain GmbH) |
| HQ | Italy · Europe | Germany · Europe |
| Primary category | Security | Security |
| Also listed in | Security | Security, Compliance, Risk |
| Summary | Italian AI-native offensive platform product: Arcangelo continuously maps internal and external attack surfaces, then runs adaptive multi-stage agentic penetration tests that plan and pivot like an attacker, with potentially intrusive exploitation kept human-approved and auditable. | German agent that completes incoming security questionnaires (vendor assessments, TISAX, ISO 27001, DORA) in Excel, PDF, Word or vendor portals from the customer's policies, certificates and past answers, with a source citation on every answer, consistent answers to re-worded questions, expert routing and team approval. |
| Frameworks (vendor-stated) | — | DORA |
| Frameworks (vendor-claimed) | ISO 27001 | TISAX, ISO 27001, DORA, GDPR |
| Capabilities / tasks | pen test management, attack surface, exposure management, threat intelligence | questionnaire automation, workflow automation |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://beelzebub.ai/products/arcangelo/ | https://co-brain.ai/en/questionnaire-agent |
| Last checked | 2026-10-20 | 2026-10-19 |
| Official site | https://beelzebub.ai/products/arcangelo/ | https://co-brain.ai/en/questionnaire-agent |
FAQ (from this dataset)
What is the difference between Beelzebub Arcangelo and Co-Brain Questionnaire Agent?
Both are listed under Security. They share no task tags in this dataset. Beelzebub Arcangelo-only tasks: pen-test-management, attack-surface, exposure-management, threat-intelligence. Co-Brain Questionnaire Agent-only tasks: questionnaire-automation, workflow-automation. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Beelzebub Arcangelo (IASM/EASM with agentic penetration testing): Not published Co-Brain Questionnaire Agent (security questionnaire automation): Not published
Where are Beelzebub Arcangelo and Co-Brain Questionnaire Agent headquartered?
Beelzebub Arcangelo (IASM/EASM with agentic penetration testing) publishes HQ in Italy. Co-Brain Questionnaire Agent (security questionnaire automation) publishes HQ in Germany.
Also in this use case
Other verified listings that share a task tag or use-case group with Beelzebub Arcangelo (IASM/EASM with agentic penetration testing) or Co-Brain Questionnaire Agent (security questionnaire automation). 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.
- Covasant TPRM (agentic third-party risk management) — Third-party risk product from Hyderabad-headquartered Covasant. Purpose-built AI agents onboard vendors through due-diligence workflows, chase vendors who are slow to respond, keep watching news, sanctions and financial data, and, when risk thresholds break, open remediation workflows, track vendor responses, escalate unresolved issues and produce DORA, SOX and NIST reporting packages.
- 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
- trail Governance Agents (GRC and AI governance agents) — Munich-based trail's Governance Agents run GRC busywork in the background: they read your project files and sources to collect and link evidence, assess controls, classify systems, run risk and vendor assessments and draft policies, proposing changes that a human approves before anything is written.
Use-case comparisons
- Agentic pentesting AI agents — 33 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
- TPRM and vendor-risk AI agents — 40 listings (Third-party risk, vendor assessments, security ratings and questionnaire automation)
- Security questionnaire AI agents — 10 listings (Inbound security questionnaires, SIG/CAIQ-style responses and questionnaire automation)
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