# MoreSec STAC vs Prime Security: side-by-side comparison (2026)

[MoreSec STAC](https://cybersectools.com/tools/moresec-stac) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [默安科技 (MoreSec)](https://cybersectools.com/companies/moresec). [Prime Security](https://cybersectools.com/tools/prime-security) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [Prime Security](https://cybersectools.com/companies/prime-security). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | MoreSec STAC | Prime Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Modeling | Threat Modeling |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | 默安科技 (MoreSec) | Prime Security |
| Headquarters | – | – |

### Use cases and capabilities

| | MoreSec STAC | Prime Security |
|---|---|---|
| Threat Modeling | Yes | – |
| DevSecOps | Yes | – |
| RAG | Yes | – |
| Generative AI | Yes | – |
| Secure Development | Yes | – |
| Security Architecture | Yes | – |
| Vulnerability | Yes | – |
| Documentation | Yes | – |
| Workflow | Yes | – |
| Security Compliance Training | Yes | – |
| Visibility | – | Yes |

### Core features

**MoreSec STAC**

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

**Prime Security**

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

### Integrations

**MoreSec STAC**

1 integration listed. Sign in on the page to see them.

**Prime Security**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Prime Security](https://cybersectools.com/tools/prime-security) fits if you are a startup.

## MoreSec STAC vs Prime Security FAQ

Common questions when comparing MoreSec STAC vs Prime Security for threat modeling.

### What is the difference between MoreSec STAC and Prime Security?

**MoreSec STAC**: AI/RAG-based threat modeling tool for requirements and design stages of SDL. Built by 默安科技 (MoreSec).

**Prime Security**: Scans development plans to identify design flaws before implementation. Built by Prime Security.

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

### Who makes MoreSec STAC and Prime Security?

**MoreSec STAC** is made by 默安科技 (MoreSec). **Prime Security** is made by Prime Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is MoreSec STAC a good alternative to Prime Security?

Often, yes. MoreSec STAC and Prime Security are both Threat Modeling products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [MoreSec STAC vs DevArmor Continuous Threat Modeling](https://cybersectools.com/compare/devarmor-continuous-threat-modeling-vs-moresec-stac)
- [MoreSec STAC vs Atsign AI Architect](https://cybersectools.com/compare/atsign-ai-architect-vs-moresec-stac)
- [MoreSec STAC vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-moresec-stac)
- [Prime Security vs DevArmor Continuous Threat Modeling](https://cybersectools.com/compare/devarmor-continuous-threat-modeling-vs-prime-security)
- [Prime Security vs Atsign AI Architect](https://cybersectools.com/compare/atsign-ai-architect-vs-prime-security)
- [Prime Security vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-prime-security)

## Alternatives to each

- [See all MoreSec STAC alternatives](https://cybersectools.com/alternatives/moresec-stac)
- [See all Prime Security alternatives](https://cybersectools.com/alternatives/prime-security)

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Source: https://cybersectools.com/compare/moresec-stac-vs-prime-security

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

More on MoreSec STAC and Prime Security: 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