# Checkmarx One Assist vs UTMStack Real-time SIEM & XDR: side-by-side comparison (2026)

[Checkmarx One Assist](https://cybersectools.com/tools/checkmarx-one-assist) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Checkmarx](https://cybersectools.com/companies/checkmarx). [UTMStack Real-time SIEM & XDR](https://cybersectools.com/tools/utmstack-real-time-siem-and-xdr) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [UTMStack](https://cybersectools.com/companies/utmstack). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Checkmarx One Assist | UTMStack Real-time SIEM & XDR |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Application Security Posture Management | Security Information and Event Management |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Checkmarx | UTMStack |
| Headquarters | – | – |

### Use cases and capabilities

| | Checkmarx One Assist | UTMStack Real-time SIEM & XDR |
|---|---|---|
| CI/CD | Yes | – |
| DevSecOps | Yes | – |
| SCA | Yes | – |
| Secret Detection | Yes | – |
| Infrastructure as Code | Yes | – |
| Log Management | – | Yes |
| Open Source | – | Yes |

### Core features

**Checkmarx One Assist**

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

**UTMStack Real-time SIEM & XDR**

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

### Integrations

**Checkmarx One Assist**

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

**UTMStack Real-time SIEM & XDR**

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

## Which one fits you

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

- [Checkmarx One Assist](https://cybersectools.com/tools/checkmarx-one-assist) fits if you want a cloud product.
- [UTMStack Real-time SIEM & XDR](https://cybersectools.com/tools/utmstack-real-time-siem-and-xdr) fits if you need both cloud and on-premises options.

## Checkmarx One Assist vs UTMStack Real-time SIEM & XDR FAQ

Common questions when comparing Checkmarx One Assist vs UTMStack Real-time SIEM & XDR for application security posture management.

### What is the difference between Checkmarx One Assist and UTMStack Real-time SIEM & XDR?

**Checkmarx One Assist**: AI-powered AppSec platform with agentic agents for vulnerability prevention & fix. Built by Checkmarx.

**UTMStack Real-time SIEM & XDR**: Open source SIEM and XDR platform for real-time threat detection and response. Built by UTMStack.

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

### Who makes Checkmarx One Assist and UTMStack Real-time SIEM & XDR?

**Checkmarx One Assist** is made by Checkmarx. **UTMStack Real-time SIEM & XDR** is made by UTMStack. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Checkmarx One Assist a good alternative to UTMStack Real-time SIEM & XDR?

In part. Checkmarx One Assist and UTMStack Real-time SIEM & XDR are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Checkmarx One Assist vs Legit VibeGuard](https://cybersectools.com/compare/checkmarx-one-assist-vs-legit-vibeguard)
- [Checkmarx One Assist vs Datadog Code Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-datadog-code-security)
- [Checkmarx One Assist vs JFrog Advanced Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-jfrog-advanced-security)
- [UTMStack Real-time SIEM & XDR vs Legit VibeGuard](https://cybersectools.com/compare/legit-vibeguard-vs-utmstack-real-time-siem-and-xdr)
- [UTMStack Real-time SIEM & XDR vs Datadog Code Security](https://cybersectools.com/compare/datadog-code-security-vs-utmstack-real-time-siem-and-xdr)
- [UTMStack Real-time SIEM & XDR vs JFrog Advanced Security](https://cybersectools.com/compare/jfrog-advanced-security-vs-utmstack-real-time-siem-and-xdr)

## Alternatives to each

- [See all Checkmarx One Assist alternatives](https://cybersectools.com/alternatives/checkmarx-one-assist)
- [See all UTMStack Real-time SIEM & XDR alternatives](https://cybersectools.com/alternatives/utmstack-real-time-siem-and-xdr)

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Source: https://cybersectools.com/compare/checkmarx-one-assist-vs-utmstack-real-time-siem-and-xdr

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

More on Checkmarx One Assist and UTMStack Real-time SIEM & XDR: 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