# Graphus vs KnowBe4 DefendTM Advanced Inbound Email Threat Defense: side-by-side comparison (2026)

[Graphus](https://cybersectools.com/tools/graphus) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [Graphus](https://cybersectools.com/companies/graphus). [KnowBe4 DefendTM Advanced Inbound Email Threat Defense](https://cybersectools.com/tools/knowbe4-defendtm-advanced-inbound-email-threat-defense) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Graphus | KnowBe4 DefendTM Advanced Inbound Email Threat Defense |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Anti-Phishing | Anti-Phishing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Graphus | KnowBe4 |
| Headquarters | – | – |

### Use cases and capabilities

| | Graphus | KnowBe4 DefendTM Advanced Inbound Email Threat Defense |
|---|---|---|
| Spam Prevention | Yes | – |
| DMARC | Yes | – |
| Fraud Detection | Yes | – |
| Ransomware Prevention | – | Yes |

### Core features

**Graphus**

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

**KnowBe4 DefendTM Advanced Inbound Email Threat Defense**

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

### Integrations

**Graphus**

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

**KnowBe4 DefendTM Advanced Inbound Email Threat Defense**

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

## Graphus vs KnowBe4 DefendTM Advanced Inbound Email Threat Defense FAQ

Common questions when comparing Graphus vs KnowBe4 DefendTM Advanced Inbound Email Threat Defense for Anti-Phishing.

### What is the difference between Graphus and KnowBe4 DefendTM Advanced Inbound Email Threat Defense?

**Graphus**: Cloud email security platform focused on anti-phishing protection for orgs, built by Graphus.

**KnowBe4 DefendTM Advanced Inbound Email Threat Defense**: AI-powered email security detecting phishing attacks missed by traditional tools, built by KnowBe4.

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

### Who makes Graphus and KnowBe4 DefendTM Advanced Inbound Email Threat Defense?

**Graphus** is made by Graphus. **KnowBe4 DefendTM Advanced Inbound Email Threat Defense** 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 Graphus a good alternative to KnowBe4 DefendTM Advanced Inbound Email Threat Defense?

Often, yes. Graphus and KnowBe4 DefendTM Advanced Inbound Email Threat Defense are both Anti-Phishing products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Graphus vs Vade for M365](https://cybersectools.com/compare/graphus-vs-vade-for-m365)
- [Graphus vs Enea Messaging Security](https://cybersectools.com/compare/enea-messaging-security-vs-graphus)
- [Graphus vs IronVest InboxGuard](https://cybersectools.com/compare/graphus-vs-ironvest-inboxguard)
- [KnowBe4 DefendTM Advanced Inbound Email Threat Defense vs Vade for M365](https://cybersectools.com/compare/knowbe4-defendtm-advanced-inbound-email-threat-defense-vs-vade-for-m365)
- [KnowBe4 DefendTM Advanced Inbound Email Threat Defense vs Enea Messaging Security](https://cybersectools.com/compare/enea-messaging-security-vs-knowbe4-defendtm-advanced-inbound-email-threat-defense)
- [KnowBe4 DefendTM Advanced Inbound Email Threat Defense vs IronVest InboxGuard](https://cybersectools.com/compare/ironvest-inboxguard-vs-knowbe4-defendtm-advanced-inbound-email-threat-defense)

## Alternatives to each

- [See all Graphus alternatives](https://cybersectools.com/alternatives/graphus)
- [See all KnowBe4 DefendTM Advanced Inbound Email Threat Defense alternatives](https://cybersectools.com/alternatives/knowbe4-defendtm-advanced-inbound-email-threat-defense)

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Source: https://cybersectools.com/compare/graphus-vs-knowbe4-defendtm-advanced-inbound-email-threat-defense

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

More on Graphus and KnowBe4 DefendTM Advanced Inbound Email Threat Defense: 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