# Endian EndianOS vs PhishingBox KillPhish: side-by-side comparison (2026)

[Endian EndianOS](https://cybersectools.com/tools/endianos) is a commercial [next-gen firewalls](https://cybersectools.com/categories/next-generation-firewalls) solution by [Endian](https://cybersectools.com/companies/endian). [PhishingBox KillPhish](https://cybersectools.com/tools/phishingbox-killphish) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [PhishingBox](https://cybersectools.com/companies/phishingbox). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Next-Generation Firewall Solutions for Business](https://cybersectools.com/shortlists/best-next-generation-firewalls) picks Palo Alto Networks Next-Generation Firewalls, Fortinet FortiGate Next-Generation Firewall, Cisco Secure Firewall and 4 more.

## Side-by-side comparison

| | Endian EndianOS | PhishingBox KillPhish |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Next-Gen Firewalls | Anti-Phishing |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Endian | PhishingBox |
| Headquarters | – | – |

### Use cases and capabilities

| | Endian EndianOS | PhishingBox KillPhish |
|---|---|---|
| Operating System | Yes | – |
| Gateway | Yes | – |
| SCADA | Yes | – |
| Microsoft 365 | – | Yes |

### Core features

**Endian EndianOS**

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

**PhishingBox KillPhish**

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

### Integrations

**Endian EndianOS**

No integrations listed.

**PhishingBox KillPhish**

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

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Endian EndianOS](https://cybersectools.com/tools/endianos) fits if you need both cloud and on-premises options.
- [PhishingBox KillPhish](https://cybersectools.com/tools/phishingbox-killphish) fits if you want a cloud product and you are a startup.

## Endian EndianOS vs PhishingBox KillPhish FAQ

Common questions when comparing Endian EndianOS vs PhishingBox KillPhish for next-gen firewalls.

### What is the difference between Endian EndianOS and PhishingBox KillPhish?

**Endian EndianOS**: Linux-based security OS for IT/OT gateways with UTM and industrial protection. Built by Endian.

**PhishingBox KillPhish**: Email threat scanning and reporting add-in for Microsoft 365 and Google. Built by PhishingBox.

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

### Who makes Endian EndianOS and PhishingBox KillPhish?

**Endian EndianOS** is made by Endian. **PhishingBox KillPhish** is made by PhishingBox. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Endian EndianOS a good alternative to PhishingBox KillPhish?

In part. Endian EndianOS and PhishingBox KillPhish are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Endian EndianOS vs Endian Secure Digital Platform](https://cybersectools.com/compare/endian-secure-digital-platform-vs-endianos)
- [Endian EndianOS vs Endian UTM](https://cybersectools.com/compare/endian-utm-vs-endianos)
- [Endian EndianOS vs Fortinet Secure Networking](https://cybersectools.com/compare/endianos-vs-fortinet-secure-networking)
- [PhishingBox KillPhish vs Endian Secure Digital Platform](https://cybersectools.com/compare/endian-secure-digital-platform-vs-phishingbox-killphish)
- [PhishingBox KillPhish vs Endian UTM](https://cybersectools.com/compare/endian-utm-vs-phishingbox-killphish)
- [PhishingBox KillPhish vs Fortinet Secure Networking](https://cybersectools.com/compare/fortinet-secure-networking-vs-phishingbox-killphish)

## Alternatives to each

- [See all Endian EndianOS alternatives](https://cybersectools.com/alternatives/endianos)
- [See all PhishingBox KillPhish alternatives](https://cybersectools.com/alternatives/phishingbox-killphish)

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Source: https://cybersectools.com/compare/endianos-vs-phishingbox-killphish

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More on Endian EndianOS and PhishingBox KillPhish: 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