# ESET Cloud Office Security vs KnowBe4 Cloud Email Security: 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). [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). 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 | KnowBe4 Cloud Email Security |
|---|---|---|
| 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 | KnowBe4 |
| Headquarters | – | – |

### Use cases and capabilities

| | ESET Cloud Office Security | KnowBe4 Cloud Email Security |
|---|---|---|
| Cloud Native | Yes | – |
| Microsoft 365 | Yes | Yes |
| Ransomware Prevention | Yes | Yes |
| Sandbox | Yes | – |
| Spam Prevention | Yes | – |

### Core features

**ESET Cloud Office Security**

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

**KnowBe4 Cloud Email Security**

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.

**KnowBe4 Cloud Email Security**

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

## ESET Cloud Office Security vs KnowBe4 Cloud Email Security FAQ

Common questions when comparing ESET Cloud Office Security vs KnowBe4 Cloud Email Security for email security platforms.

### What is the difference between ESET Cloud Office Security and KnowBe4 Cloud Email Security?

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

**KnowBe4 Cloud Email Security**: AI-driven email security platform for Microsoft 365 inbound/outbound threats, built by KnowBe4.

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

### Who makes ESET Cloud Office Security and KnowBe4 Cloud Email Security?

**ESET Cloud Office Security** is made by ESET. **KnowBe4 Cloud Email Security** is made by KnowBe4. 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 KnowBe4 Cloud Email Security?

Often, yes. ESET Cloud Office Security and KnowBe4 Cloud Email Security are both Email Security Platforms products, and both cover Microsoft 365, 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 ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-eset-cloud-office-security)
- [KnowBe4 Cloud Email Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-knowbe4-cloud-email-security)
- [KnowBe4 Cloud Email Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-knowbe4-cloud-email-security)
- [KnowBe4 Cloud Email Security vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-knowbe4-cloud-email-security)

## Alternatives to each

- [See all ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security)
- [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security)

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Source: https://cybersectools.com/compare/eset-cloud-office-security-vs-knowbe4-cloud-email-security

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 KnowBe4 Cloud Email 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
