Co-Brain Questionnaire Agent (security questionnaire automation) vs YesWeHack Agentic Pentest
Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) and YesWeHack Agentic Pentest (YesWeHack) are both listed in the Security category of Agent Index. They share no framework tags in our dataset.
| Field |  Co-Brain Questionnaire Agent (security questionnaire automation) |  YesWeHack Agentic Pentest |
|---|---|---|
| Vendor | Co-Brain (Co-Brain GmbH) | YesWeHack |
| HQ | Germany · Europe | France · Europe |
| Primary category | Security | Security |
| Also listed in | Security, Compliance, Risk | Security |
| Summary | 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. | On-demand pentests of external attack surface run by AI agents shaped by YesWeHack's bug-hunting expertise, with dedicated verification agents, a Pentest Manager, same-day results and reports in its vulnerability-management platform. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | TISAX, ISO 27001, DORA, GDPR | — |
| Capabilities / tasks | questionnaire automation, workflow automation | pen test management, attack surface, appsec, vulnerability management |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://co-brain.ai/en/questionnaire-agent | https://www.yeswehack.com/product/agentic-pentest |
| Last checked | 2026-10-19 | 2026-10-18 |
| Official site | https://co-brain.ai/en/questionnaire-agent | https://www.yeswehack.com/product/agentic-pentest |
Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.
Also in this use case
Other verified listings that share a task tag or use-case group with Co-Brain Questionnaire Agent (security questionnaire automation) or YesWeHack Agentic Pentest. Open a pair page or the use-case table — this is not a ranking.
- AIpentix (agentic continuous security testing and agentic red teaming, by Swipergy) — German continuous security-testing platform with an AI agent that signs in to the customer's application on its own, chooses follow-up checks and documents attack paths, with every tool run evidenced. Findings are grouped into remediation actions with owners, deadlines and Jira sync, and retests confirm fixes. Agentic red-team campaigns (recon, access, lateral and report agents led by human red teamers) are also offered for TIBER-EU and DORA TLPT style testing. · AIpentix (agentic continuous security testing and agentic red teaming, by Swipergy) pair comparison
- CleverChain AI agents (VERA autonomous due diligence and LUMA screening) — KYB, KYC, AML and third-party due-diligence platform where the VERA agent runs end-to-end investigations (ownership chain, business activity, sanctions and adverse media) into a cited, policy-mapped report, and LUMA handles AML screening and ongoing monitoring, with analysts approving high-risk decisions.
- Optivalue.ai questionnaire agents (security questionnaires, TISAX and third-party collection) — French platform whose agents answer incoming security questionnaires, TISAX catalogues, DDQs and tenders from the customer's own evidence with document, page and version on every answer, score and gap-check the result and draft missing documents with the team before named sign-off, while its Reach product sends questionnaires to suppliers and chases non-responders automatically. · Optivalue.ai questionnaire agents (security questionnaires, TISAX and third-party collection) pair comparison
- RiskXchange The Agency (32 AI agents for third-party risk) — AI workforce of five lead agents and 27 specialists that runs third-party risk end to end: vendor outreach, onboarding and questionnaire chasing, document assessment, outside-in breach and score monitoring, regulatory gap analysis and remediation, and regulator-ready reporting, with Manual, Assisted or Autonomous mode set per vendor.
Use-case comparisons
- Agentic pentesting AI agents — 14 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
- TPRM and vendor-risk AI agents — 23 listings (Third-party risk, vendor assessments, security ratings and questionnaire automation)
- Security questionnaire AI agents — 7 listings (Inbound security questionnaires, SIG/CAIQ-style responses and questionnaire automation)
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