Co-Brain Questionnaire Agent (security questionnaire automation) vs KnowBe4 AIDA (AI Defense Agents)
Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) and KnowBe4 AIDA (AI Defense Agents) (KnowBe4) are both listed in the Security category of Agent Index. They share no framework tags in our dataset. Only KnowBe4 AIDA (AI Defense Agents) is tagged for FedRAMP, TX-RAMP.
| Field |  Co-Brain Questionnaire Agent (security questionnaire automation) |  KnowBe4 AIDA (AI Defense Agents) |
|---|---|---|
| Vendor | Co-Brain (Co-Brain GmbH) | KnowBe4 |
| HQ | Germany · Europe | United States · North America |
| Primary category | Security | Security |
| Also listed in | Security, Compliance, Risk | Security, Compliance |
| 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. | Suite of AI agents for human risk management that automatically generate and deliver personalised phishing simulations, training, remedial and policy-quiz content per user; the FedRAMP Moderate KnowBe4 Platform covers AIDA (except AIDA Deepfakes). |
| Framework tags (Agent Index) | — | FedRAMP, TX-RAMP |
| FedRAMP (Marketplace, listing scope) | — | KnowBe4 Platform · FedRAMP Authorized · FR2201340492 · Moderate · authorized 2023-11-14 |
| Frameworks (vendor-claimed) | TISAX, ISO 27001, DORA, GDPR | FedRAMP, TX-RAMP |
| Capabilities / tasks | questionnaire automation, workflow automation | email security, policy management, workflow automation, risk assessment, government compliance |
| Pricing (as published) | Not published | Published MSRP on knowbe4.com (May 2026 list, per seat per month, 3-year term): SAT Advanced, which includes AIDA, from $3.75 (25–50 seats) down to $2.79 (501–1,000 seats); 1,001+ seats by quote. |
| Pricing model | quote | published-tiers |
| Primary source | https://co-brain.ai/en/questionnaire-agent | https://www.knowbe4.com/products/aida |
| Last checked | 2026-10-19 | 2026-10-18 |
| Official site | https://co-brain.ai/en/questionnaire-agent | https://www.knowbe4.com/products/aida |
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 KnowBe4 AIDA (AI Defense Agents). Open a pair page or the use-case table — this is not a ranking.
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Use-case comparisons
- Email security and phishing-response AI agents — 15 listings (Triage of user-reported phishing, autonomous email threat remediation and AI-run phishing simulation)
- TPRM and vendor-risk AI agents — 23 listings (Third-party risk, vendor assessments, security ratings and questionnaire automation)
- US public-sector and FedRAMP AI agents — 24 listings (US government, FedRAMP and public-sector compliance or security operations)
- Security questionnaire AI agents — 7 listings (Inbound security questionnaires, SIG/CAIQ-style responses and questionnaire automation)
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