# Data Theorem Web Secure vs UTMStack Real-time SIEM & XDR: side-by-side comparison (2026)

[Data Theorem Web Secure](https://cybersectools.com/tools/data-theorem-web-secure) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Data Theorem](https://cybersectools.com/companies/data-theorem). [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

| | Data Theorem Web Secure | 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 | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Data Theorem | UTMStack |
| Headquarters | – | – |

### Use cases and capabilities

| | Data Theorem Web Secure | UTMStack Real-time SIEM & XDR |
|---|---|---|
| Cloud Native | Yes | – |
| DAST | Yes | – |
| SBOM | Yes | – |
| SCA | Yes | – |
| Web Security | Yes | – |
| Log Management | – | Yes |
| Open Source | – | Yes |

### Core features

**Data Theorem Web Secure**

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

**Data Theorem Web Secure**

15 integrations 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.

- [Data Theorem Web Secure](https://cybersectools.com/tools/data-theorem-web-secure) fits if you want a cloud product and you are a startup.
- [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.

## Data Theorem Web Secure vs UTMStack Real-time SIEM & XDR FAQ

Common questions when comparing Data Theorem Web Secure vs UTMStack Real-time SIEM & XDR for application security posture management.

### What is the difference between Data Theorem Web Secure and UTMStack Real-time SIEM & XDR?

**Data Theorem Web Secure**: Full-stack web app security testing platform with SAST, DAST, SCA, and pentesting. Built by Data Theorem.

**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 Data Theorem Web Secure and UTMStack Real-time SIEM & XDR?

**Data Theorem Web Secure** is made by Data Theorem. **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 Data Theorem Web Secure a good alternative to UTMStack Real-time SIEM & XDR?

In part. Data Theorem Web Secure 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

- [Data Theorem Web Secure vs Start Left™ SaaS Security Mgmt Platform](https://cybersectools.com/compare/data-theorem-web-secure-vs-start-lefttm-saas-security-mgmt-platform)
- [Data Theorem Web Secure vs Boman.ai AppSec Tool](https://cybersectools.com/compare/bomanai-appsec-tool-vs-data-theorem-web-secure)
- [Data Theorem Web Secure vs Fluid Attacks Continuous Hacking](https://cybersectools.com/compare/data-theorem-web-secure-vs-fluid-attacks-continuous-hacking)
- [UTMStack Real-time SIEM & XDR vs Start Left™ SaaS Security Mgmt Platform](https://cybersectools.com/compare/start-lefttm-saas-security-mgmt-platform-vs-utmstack-real-time-siem-and-xdr)
- [UTMStack Real-time SIEM & XDR vs Boman.ai AppSec Tool](https://cybersectools.com/compare/bomanai-appsec-tool-vs-utmstack-real-time-siem-and-xdr)
- [UTMStack Real-time SIEM & XDR vs Fluid Attacks Continuous Hacking](https://cybersectools.com/compare/fluid-attacks-continuous-hacking-vs-utmstack-real-time-siem-and-xdr)

## Alternatives to each

- [See all Data Theorem Web Secure alternatives](https://cybersectools.com/alternatives/data-theorem-web-secure)
- [See all UTMStack Real-time SIEM & XDR alternatives](https://cybersectools.com/alternatives/utmstack-real-time-siem-and-xdr)

---

Source: https://cybersectools.com/compare/data-theorem-web-secure-vs-utmstack-real-time-siem-and-xdr

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/data-theorem-web-secure.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Data Theorem Web Secure 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
