# ESET Cloud Office Security vs MailGuard: side-by-side comparison (2026)

[ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ESET](https://cybersectools.com/companies/eset). [MailGuard](https://cybersectools.com/tools/mailguard) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MailGuard](https://cybersectools.com/companies/mailguard). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.

## Side-by-side comparison

| | ESET Cloud Office Security | MailGuard |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | ESET | MailGuard |
| Headquarters | – | – |

### Use cases and capabilities

| | ESET Cloud Office Security | MailGuard |
|---|---|---|
| Cloud Native | Yes | – |
| Microsoft 365 | Yes | – |
| Ransomware Prevention | Yes | Yes |
| Sandbox | Yes | – |
| Spam Prevention | Yes | Yes |
| SPF | – | Yes |
| DKIM | – | Yes |

### Core features

**ESET Cloud Office Security**

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

**MailGuard**

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

### Integrations

**ESET Cloud Office Security**

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

**MailGuard**

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

## ESET Cloud Office Security vs MailGuard FAQ

Common questions when comparing ESET Cloud Office Security vs MailGuard for email security platforms.

### What is the difference between ESET Cloud Office Security and MailGuard?

**ESET Cloud Office Security**: Cloud email security for Microsoft 365 and Google Workspace applications, built by ESET.

**MailGuard**: Cloud-based managed email filtering against phishing, ransomware & BEC, built by MailGuard.

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

### Who makes ESET Cloud Office Security and MailGuard?

**ESET Cloud Office Security** is made by ESET. **MailGuard** is made by MailGuard. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is ESET Cloud Office Security a good alternative to MailGuard?

Often, yes. ESET Cloud Office Security and MailGuard are both Email Security Platforms products, and both cover Spam Prevention, Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ESET Cloud Office Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/eset-cloud-office-security-vs-iberlayer-email-guardian)
- [ESET Cloud Office Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-eset-cloud-office-security)
- [ESET Cloud Office Security vs SmarterTools SmarterMail](https://cybersectools.com/compare/eset-cloud-office-security-vs-smartertools-smartermail)
- [MailGuard vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-mailguard)
- [MailGuard vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-mailguard)
- [MailGuard vs SmarterTools SmarterMail](https://cybersectools.com/compare/mailguard-vs-smartertools-smartermail)

## Alternatives to each

- [See all ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security)
- [See all MailGuard alternatives](https://cybersectools.com/alternatives/mailguard)

---

Source: https://cybersectools.com/compare/eset-cloud-office-security-vs-mailguard

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

More on ESET Cloud Office Security and MailGuard: 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