# KnowBe4 Cloud Email Security vs Mesh 365: 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). [Mesh 365](https://cybersectools.com/tools/mesh-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Mesh by BitDefender](https://cybersectools.com/companies/mesh-by-bitdefender). 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 | Mesh 365 |
|---|---|---|
| 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 | Mesh by BitDefender |
| Headquarters | – | – |

### Use cases and capabilities

| | KnowBe4 Cloud Email Security | Mesh 365 |
|---|---|---|
| Microsoft 365 | Yes | Yes |
| Ransomware Prevention | Yes | Yes |
| Multi Tenancy | – | Yes |

### Core features

**KnowBe4 Cloud Email Security**

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

**Mesh 365**

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.

**Mesh 365**

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

## KnowBe4 Cloud Email Security vs Mesh 365 FAQ

Common questions when comparing KnowBe4 Cloud Email Security vs Mesh 365 for email security platforms.

### What is the difference between KnowBe4 Cloud Email Security and Mesh 365?

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

**Mesh 365**: API-based email security platform for Microsoft 365 environments. Built by Mesh by BitDefender.

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

### Who makes KnowBe4 Cloud Email Security and Mesh 365?

**KnowBe4 Cloud Email Security** is made by KnowBe4. **Mesh 365** is made by Mesh by BitDefender. 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 Mesh 365?

Often, yes. KnowBe4 Cloud Email Security and Mesh 365 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

- [KnowBe4 Cloud Email Security vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-knowbe4-cloud-email-security)
- [KnowBe4 Cloud Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-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)
- [Mesh 365 vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365)
- [Mesh 365 vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-mesh-365)
- [Mesh 365 vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-mesh-365)

## Alternatives to each

- [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security)
- [See all Mesh 365 alternatives](https://cybersectools.com/alternatives/mesh-365)

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Source: https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-mesh-365

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 Mesh 365: 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