# DataStealth Data Protection vs Z1 SecureMail Gateway: side-by-side comparison (2026)

[DataStealth Data Protection](https://cybersectools.com/tools/datastealth-data-protection) is a commercial [data masking & synthetic data](https://cybersectools.com/categories/data-masking) solution by [DataStealth](https://cybersectools.com/companies/datastealth). [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Zertificon Solutions GmbH](https://cybersectools.com/companies/zertificon-solutions-gmbh). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | DataStealth Data Protection | Z1 SecureMail Gateway |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Masking & Synthetic Data | Email Encryption |
| Verified | No | Verified |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise, SMB, Startup |
| Company | DataStealth | Zertificon Solutions GmbH |
| Headquarters | – | – |

### Use cases and capabilities

| | DataStealth Data Protection | Z1 SecureMail Gateway |
|---|---|---|
| Tokenization | Yes | – |
| Encryption | Yes | Yes |
| Sensitive Data | Yes | – |
| Gateway | – | Yes |
| GDPR | – | Yes |
| SMTP | – | Yes |
| Microsoft 365 | – | Yes |
| Supply Chain Security | – | Yes |
| Healthcare | – | Yes |
| DKIM | – | Yes |
| TLS | – | Yes |
| DMARC | – | Yes |

### Core features

**DataStealth Data Protection**

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

**Z1 SecureMail Gateway**

- Digital email signing for authenticity and integrity
- Automated certificate management via CertMagic®
- Inter-organizational encrypted email exchange via GlobalCrypt®
- Cloud deployment support for Azure/M365 and Google Cloud/Workspace
- Centralized server-side encryption transparent to end users
- GDPR-compliant secure data exchange
- EU NIS2 Directive compliance support
- Secure large file transfer capability

### Integrations

**DataStealth Data Protection**

No integrations listed.

**Z1 SecureMail Gateway**

- Microsoft Azure
- Microsoft 365
- Google Cloud
- Google Workspace
- Z1 Global TrustPoint
- SwissSign

## Which one fits you

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

- [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions) fits if you are a startup.

## DataStealth Data Protection vs Z1 SecureMail Gateway FAQ

Common questions when comparing DataStealth Data Protection vs Z1 SecureMail Gateway for data masking & synthetic data.

### What is the difference between DataStealth Data Protection and Z1 SecureMail Gateway?

**DataStealth Data Protection**: Data security platform offering tokenization, masking & encryption per data element. Built by DataStealth.

**Z1 SecureMail Gateway**: Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing. Built by Zertificon Solutions GmbH. Core capabilities include Digital email signing for authenticity and integrity, Automated certificate management via CertMagic®, Inter-organizational encrypted email exchange via GlobalCrypt®.

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

### Who makes DataStealth Data Protection and Z1 SecureMail Gateway?

**DataStealth Data Protection** is made by DataStealth. **Z1 SecureMail Gateway** is made by Zertificon Solutions GmbH. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DataStealth Data Protection a good alternative to Z1 SecureMail Gateway?

In part. DataStealth Data Protection and Z1 SecureMail Gateway are not in the same category on CybersecTools. Both cover Encryption. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DataStealth Data Protection vs Skyflow Healthcare Data Privacy Vault](https://cybersectools.com/compare/datastealth-data-protection-vs-skyflow-healthcare-data-privacy-vault)
- [DataStealth Data Protection vs DataStealth](https://cybersectools.com/compare/datastealth-vs-datastealth-data-protection)
- [DataStealth Data Protection vs DataStealth Cloud Deployment](https://cybersectools.com/compare/datastealth-cloud-deployment-vs-datastealth-data-protection)
- [Z1 SecureMail Gateway vs Skyflow Healthcare Data Privacy Vault](https://cybersectools.com/compare/skyflow-healthcare-data-privacy-vault-vs-zertificon-z1-solutions)
- [Z1 SecureMail Gateway vs DataStealth](https://cybersectools.com/compare/datastealth-vs-zertificon-z1-solutions)
- [Z1 SecureMail Gateway vs DataStealth Cloud Deployment](https://cybersectools.com/compare/datastealth-cloud-deployment-vs-zertificon-z1-solutions)

## Alternatives to each

- [See all DataStealth Data Protection alternatives](https://cybersectools.com/alternatives/datastealth-data-protection)
- [See all Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions)

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Source: https://cybersectools.com/compare/datastealth-data-protection-vs-zertificon-z1-solutions

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

More on DataStealth Data Protection and Z1 SecureMail Gateway: 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
