# KnowBe4 Cloud Email Security vs Sophos Email: side-by-side comparison (2026)

[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). [Sophos Email](https://cybersectools.com/tools/sophos-email) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Sophos](https://cybersectools.com/companies/sophos). 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

| | KnowBe4 Cloud Email Security | Sophos Email |
|---|---|---|
| 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 | KnowBe4 | Sophos |
| Headquarters | – | – |

### Use cases and capabilities

| | KnowBe4 Cloud Email Security | Sophos Email |
|---|---|---|
| Microsoft 365 | Yes | – |
| Ransomware Prevention | Yes | – |
| DMARC | – | Yes |
| Natural Language Processing | – | Yes |

### Core features

**KnowBe4 Cloud Email Security**

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

**Sophos Email**

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

### Integrations

**KnowBe4 Cloud Email Security**

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

**Sophos Email**

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

## KnowBe4 Cloud Email Security vs Sophos Email FAQ

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

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

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

**Sophos Email**: Email security platform with phishing/BEC protection and MDR/XDR integration. Built by Sophos.

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

### Who makes KnowBe4 Cloud Email Security and Sophos Email?

**KnowBe4 Cloud Email Security** is made by KnowBe4. **Sophos Email** is made by Sophos. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is KnowBe4 Cloud Email Security a good alternative to Sophos Email?

Often, yes. KnowBe4 Cloud Email Security and Sophos Email are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [KnowBe4 Cloud Email Security vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-knowbe4-cloud-email-security)
- [KnowBe4 Cloud Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-knowbe4-cloud-email-security)
- [KnowBe4 Cloud Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-knowbe4-cloud-email-security)
- [Sophos Email vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-sophos-email)
- [Sophos Email vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-sophos-email)
- [Sophos Email vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-sophos-email)

## Alternatives to each

- [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security)
- [See all Sophos Email alternatives](https://cybersectools.com/alternatives/sophos-email)

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

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/knowbe4-cloud-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on KnowBe4 Cloud Email Security and Sophos Email: 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