# Onyx Platform vs ThreatDown Managed Detection & Response (MDR): side-by-side comparison (2026) [Onyx Platform](https://cybersectools.com/tools/onyx-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Onyx Security](https://cybersectools.com/companies/onyx-security). [ThreatDown Managed Detection & Response (MDR)](https://cybersectools.com/tools/threatdown-managed-detection-and-response-mdr) is a commercial [managed detection and response](https://cybersectools.com/categories/mdr) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more. ## Side-by-side comparison | | Onyx Platform | ThreatDown Managed Detection & Response (MDR) | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Managed Detection and Response | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Onyx Security | ThreatDown by Malwarebytes | | Headquarters | – | – | ### Use cases and capabilities | | Onyx Platform | ThreatDown Managed Detection & Response (MDR) | |---|---|---| | Agentic AI Security | Yes | – | | AI Governance | Yes | – | | AI Observability | Yes | – | | AI SPM | Yes | – | | LLM Guardrails | Yes | – | | LLM Security | Yes | – | | MCP Security | Yes | – | | Prompt Injection | Yes | – | | Shadow AI | Yes | – | | GenAI Security | Yes | – | | Patch Management | – | Yes | | Ransomware Prevention | – | Yes | | Multi Tenancy | – | Yes | ### Core features **Onyx Platform** 10 features listed. Sign in on the page to see them. **ThreatDown Managed Detection & Response (MDR)** 10 features listed. Sign in on the page to see them. ### Integrations **Onyx Platform** 11 integrations listed. Sign in on the page to see them. **ThreatDown Managed Detection & Response (MDR)** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options. - [ThreatDown Managed Detection & Response (MDR)](https://cybersectools.com/tools/threatdown-managed-detection-and-response-mdr) fits if you want a cloud product and you are a small business. ## Onyx Platform vs ThreatDown Managed Detection & Response (MDR) FAQ Common questions when comparing Onyx Platform vs ThreatDown Managed Detection & Response (MDR) for agentic AI security. ### What is the difference between Onyx Platform and ThreatDown Managed Detection & Response (MDR)? **Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security. **ThreatDown Managed Detection & Response (MDR)**: 24x7x365 MDR service with expert-led threat monitoring and remediation. Built by ThreatDown by Malwarebytes. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Onyx Platform and ThreatDown Managed Detection & Response (MDR)? **Onyx Platform** is made by Onyx Security. **ThreatDown Managed Detection & Response (MDR)** is made by ThreatDown by Malwarebytes. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Onyx Platform a good alternative to ThreatDown Managed Detection & Response (MDR)? In part. Onyx Platform and ThreatDown Managed Detection & Response (MDR) are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform) - [Onyx Platform vs General Analysis AIDR](https://cybersectools.com/compare/general-analysis-aidr-vs-onyx-platform) - [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform) - [ThreatDown Managed Detection & Response (MDR) vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-threatdown-managed-detection-and-response-mdr) - [ThreatDown Managed Detection & Response (MDR) vs General Analysis AIDR](https://cybersectools.com/compare/general-analysis-aidr-vs-threatdown-managed-detection-and-response-mdr) - [ThreatDown Managed Detection & Response (MDR) vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-threatdown-managed-detection-and-response-mdr) ## Alternatives to each - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) - [See all ThreatDown Managed Detection & Response (MDR) alternatives](https://cybersectools.com/alternatives/threatdown-managed-detection-and-response-mdr) --- Source: https://cybersectools.com/compare/onyx-platform-vs-threatdown-managed-detection-and-response-mdr For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/onyx-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Onyx Platform and ThreatDown Managed Detection & Response (MDR): funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md