Co-Brain Questionnaire Agent (security questionnaire automation) vs Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel)
Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) and Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) (Ontinue (Ontinue AG)) 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 |  Co-Brain Questionnaire Agent (security questionnaire automation) |  Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) |
|---|---|---|
| Vendor | Co-Brain (Co-Brain GmbH) | Ontinue (Ontinue AG) |
| HQ | Germany · Europe | Switzerland · 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. | Zurich-headquartered managed detection and response provider for Microsoft Defender and Sentinel whose ION MXDR service uses a team of AI agents to run autonomous Tier 2-level incident investigations (aggregate telemetry, form and test hypotheses) before handing a step-by-step summary to an Ontinue Cyber Defender. |
| Framework tags (Agent Index) | DORA | — |
| Frameworks (vendor-claimed) | TISAX, ISO 27001, DORA, GDPR | — |
| Capabilities / tasks | questionnaire automation, workflow automation | security operations, alert triage, case investigation, incident response, threat detection |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://co-brain.ai/en/questionnaire-agent | https://www.ontinue.com/first-to-launch-agentic-ai-mdr/ |
| Last checked | 2026-10-19 | 2026-10-19 |
| Official site | https://co-brain.ai/en/questionnaire-agent | https://www.ontinue.com/first-to-launch-agentic-ai-mdr/ |
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 Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel). Open a pair page or the use-case table — this is not a ranking.
- Blackpoint AI SOC Agent for ITDR (autonomous identity threat containment for Microsoft 365 and Google Workspace) — AI SOC agent inside Blackpoint's managed ITDR service that autonomously contains high-confidence credential attacks on Microsoft 365 and Google Workspace accounts: it suspends the account, forces a password reset, ends active sessions and logs its reasoning, and escalates anything below its confidence threshold to a human SOC analyst. Generally available since July 8, 2026. · Blackpoint AI SOC Agent for ITDR (autonomous identity threat containment for Microsoft 365 and Google Workspace) pair comparison
- Bricklayer AI security agents (agentic platform for the AI security workforce) — Agentic cybersecurity platform that deploys, coordinates and governs teams of role-based and tool-specialist AI agents to triage alerts, investigate incidents, run threat-intelligence and threat-hunting work and track vulnerability remediation inside analyst-approved procedures, with every agent action auditable. · Bricklayer AI security agents (agentic platform for the AI security workforce) pair comparison
- Censinet Risk Assessor Agent (Assessor Agent for Supply Chain and Vendor Risk, Censinet GRC AI) — Healthcare third-party risk agent in Censinet RiskOps that reviews vendor questionnaire responses and supporting documents (such as SOC 2 and penetration-test reports), captures integration details from requests, identifies findings and drafts assessment reports and corrective action plans for the risk assessor to validate.
- Command Zero Agent Zero (autonomous security analyst) — Autonomous and AI-assisted SOC investigation platform from Austin, Texas. Its LLM agent, Agent Zero, investigates alerts end to end across identity, endpoint, cloud, email and SaaS, auto-closes routine cases with documented reasoning, and escalates the rest with a replayable chain of evidence for analysts to confirm or override. · Command Zero Agent Zero (autonomous security analyst) pair comparison
- episki Autonomous GRC (AI Orchestration agents for policies, questionnaires, vendors and evidence) — A GRC platform built around agents that draft policies, answer inbound security questionnaires, review vendors' SOC 2 and CAIQ responses, map controls, assess risks and write deterministic evidence-collection recipes. Every plan, step-run and sensitive action goes through human approvals and safety floors. Pricing is published.
- Procol Supplier Ops Agent (supplier onboarding, due-diligence and compliance, scoring and risk agents) — A coordinated set of procurement-side AI agents that run supplier onboarding from invite to approval. They validate tax IDs, licences and certificates, run continuous AML, sanctions and debarment screening, track contract expiry and compliance deviations with audit trails, and score suppliers on cost, quality, delivery and compliance.
- Rescana autonomous TPRM agents (Discovery & Classification, Risk Assessment, Communication & Remediation and Manager agents) — A third-party risk platform run by a coordinated team of AI agents. They discover and classify vendors from identity, procurement and IT systems, collect and analyse vendor documentation and questionnaires against external attack-surface intelligence, chase vendors for missing evidence and remediation, and orchestrate approvals with humans in control.
Use-case comparisons
- AI SOC and security-analyst agents — 37 listings (Security operations, alert investigation and threat detection)
- TPRM and vendor-risk AI agents — 33 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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