# Onyx Platform vs TrustFour: 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). [TrustFour](https://cybersectools.com/tools/trustfour) is a commercial [non-human identity](https://cybersectools.com/categories/non-human-identity) solution by [TrustFour](https://cybersectools.com/companies/trustfour). 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 | TrustFour |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Non-Human Identity |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Onyx Security | TrustFour |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | TrustFour |
|---|---|---|
| Agentic AI Security | Yes | 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 | Yes |
| Non-Human Identity | – | Yes |
| TLS | – | Yes |
| Workload Security | – | Yes |
| Least Privilege | – | Yes |
| Quantum Safe | – | Yes |
| Kubernetes Security | – | Yes |
| Lateral Movement | – | Yes |

### Core features

**Onyx Platform**

10 features listed. Sign in on the page to see them.

**TrustFour**

9 features listed. Sign in on the page to see them.

### Integrations

**Onyx Platform**

11 integrations listed. Sign in on the page to see them.

**TrustFour**

No integrations listed.

## Onyx Platform vs TrustFour FAQ

Common questions when comparing Onyx Platform vs TrustFour for agentic AI security.

### What is the difference between Onyx Platform and TrustFour?

**Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security.

**TrustFour**: TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy. Built by TrustFour.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Onyx Platform and TrustFour?

**Onyx Platform** is made by Onyx Security. **TrustFour** is made by TrustFour. 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 TrustFour?

In part. Onyx Platform and TrustFour are not in the same category on CybersecTools. Both cover Agentic AI Security, GenAI Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform)
- [Onyx Platform vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/jetstream-saig-platform-vs-onyx-platform)
- [TrustFour vs Oryo](https://cybersectools.com/compare/oryo-vs-trustfour)
- [TrustFour vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-trustfour)
- [TrustFour vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/jetstream-saig-platform-vs-trustfour)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all TrustFour alternatives](https://cybersectools.com/alternatives/trustfour)

---

Source: https://cybersectools.com/compare/onyx-platform-vs-trustfour

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 TrustFour: 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