# Primary Zero Trust Policy Engine vs TrustFour T4 - Protect: side-by-side comparison (2026)

[Primary Zero Trust Policy Engine](https://cybersectools.com/tools/primary-zero-trust-policy-engine) is a commercial [zero trust network access](https://cybersectools.com/categories/ztna) solution by [Primary](https://cybersectools.com/companies/primary). [TrustFour T4 - Protect](https://cybersectools.com/tools/trustfour-t4-protect) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) 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 ZTNA Solutions for Business](https://cybersectools.com/shortlists/best-ztna-solutions) picks Zscaler Private Access (ZPA), Netskope One Private Access, Palo Alto Networks Prisma Access ZTNA 2.0 and 4 more.

## Side-by-side comparison

| | Primary Zero Trust Policy Engine | TrustFour T4 - Protect |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Zero Trust Network Access | Microsegmentation |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Primary | TrustFour |
| Headquarters | – | – |

### Use cases and capabilities

| | Primary Zero Trust Policy Engine | TrustFour T4 - Protect |
|---|---|---|
| Zero Trust Architecture | Yes | Yes |
| RBAC | Yes | – |
| MFA | Yes | – |
| ZTNA | Yes | – |
| Encryption | Yes | Yes |
| SSO | Yes | – |
| Least Privilege | Yes | – |
| Multi Tenancy | Yes | – |
| TLS | – | Yes |
| Workload Security | – | Yes |
| Lateral Movement | – | Yes |
| Non-Human Identity | – | Yes |
| Microsegmentation | – | Yes |
| Quantum Safe | – | Yes |
| Authentication | – | Yes |
| Authorization | – | Yes |

### Core features

**Primary Zero Trust Policy Engine**

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

**TrustFour T4 - Protect**

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

### Integrations

**Primary Zero Trust Policy Engine**

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

**TrustFour T4 - Protect**

No integrations listed.

## Primary Zero Trust Policy Engine vs TrustFour T4 - Protect FAQ

Common questions when comparing Primary Zero Trust Policy Engine vs TrustFour T4 - Protect for zero trust network access.

### What is the difference between Primary Zero Trust Policy Engine and TrustFour T4 - Protect?

**Primary Zero Trust Policy Engine**: Zero Trust policy engine for enterprise user, device, data & network security. Built by Primary.

**TrustFour T4 - Protect**: Enforces mTLS & NHI credential controls to reduce workload attack surface. Built by TrustFour.

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

### Who makes Primary Zero Trust Policy Engine and TrustFour T4 - Protect?

**Primary Zero Trust Policy Engine** is made by Primary. **TrustFour T4 - Protect** 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 Primary Zero Trust Policy Engine a good alternative to TrustFour T4 - Protect?

In part. Primary Zero Trust Policy Engine and TrustFour T4 - Protect are not in the same category on CybersecTools. Both cover Encryption, Zero Trust Architecture. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Primary Zero Trust Policy Engine vs QuantLayer Secure Remote Access](https://cybersectools.com/compare/primary-zero-trust-policy-engine-vs-quantlayer-secure-remote-access)
- [Primary Zero Trust Policy Engine vs Threatmatic Zero Trust Edge](https://cybersectools.com/compare/primary-zero-trust-policy-engine-vs-threatmatic-zero-trust-edge)
- [Primary Zero Trust Policy Engine vs Zerac Zero Trust Security Platform](https://cybersectools.com/compare/primary-zero-trust-policy-engine-vs-zerac-zero-trust-security-platform)
- [TrustFour T4 - Protect vs QuantLayer Secure Remote Access](https://cybersectools.com/compare/quantlayer-secure-remote-access-vs-trustfour-t4-protect)
- [TrustFour T4 - Protect vs Threatmatic Zero Trust Edge](https://cybersectools.com/compare/threatmatic-zero-trust-edge-vs-trustfour-t4-protect)
- [TrustFour T4 - Protect vs Zerac Zero Trust Security Platform](https://cybersectools.com/compare/trustfour-t4-protect-vs-zerac-zero-trust-security-platform)

## Alternatives to each

- [See all Primary Zero Trust Policy Engine alternatives](https://cybersectools.com/alternatives/primary-zero-trust-policy-engine)
- [See all TrustFour T4 - Protect alternatives](https://cybersectools.com/alternatives/trustfour-t4-protect)

---

Source: https://cybersectools.com/compare/primary-zero-trust-policy-engine-vs-trustfour-t4-protect

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/primary-zero-trust-policy-engine.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Primary Zero Trust Policy Engine and TrustFour T4 - Protect: 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
