# Action1 Patch Management vs Microsoft Defender: side-by-side comparison (2026)

[Action1 Patch Management](https://cybersectools.com/tools/action1-patch-management) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [Action1](https://cybersectools.com/companies/action1). [Microsoft Defender](https://cybersectools.com/tools/microsoft-defender) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [Microsoft](https://cybersectools.com/companies/microsoft). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Action1 Patch Management | Microsoft Defender |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Endpoint Protection Platform | Endpoint Protection Platform |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup |
| Company | Action1 | Microsoft |
| Headquarters | – | – |

### Use cases and capabilities

| | Action1 Patch Management | Microsoft Defender |
|---|---|---|
| Patch Management | Yes | – |
| Windows | Yes | – |
| Linux | Yes | – |
| REST API | Yes | – |

### Core features

**Action1 Patch Management**

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

**Microsoft Defender**

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

### Integrations

**Action1 Patch Management**

No integrations listed.

**Microsoft Defender**

1 integration 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.

- [Action1 Patch Management](https://cybersectools.com/tools/action1-patch-management) fits if you are a small business or a mid-market company or an enterprise.
- [Microsoft Defender](https://cybersectools.com/tools/microsoft-defender) fits if you are a startup.

## Action1 Patch Management vs Microsoft Defender FAQ

Common questions when comparing Action1 Patch Management vs Microsoft Defender for endpoint protection platform.

### What is the difference between Action1 Patch Management and Microsoft Defender?

**Action1 Patch Management**: Cloud-native patch management for Windows, macOS, and Linux endpoints. Built by Action1.

**Microsoft Defender**: Security app for individuals/families protecting devices from online threats. Built by Microsoft.

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

### Who makes Action1 Patch Management and Microsoft Defender?

**Action1 Patch Management** is made by Action1. **Microsoft Defender** is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Action1 Patch Management a good alternative to Microsoft Defender?

Often, yes. Action1 Patch Management and Microsoft Defender are both Endpoint Protection Platform products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Action1 Patch Management vs NinjaOne Autonomous Patch Management](https://cybersectools.com/compare/ninjaone-autonomous-patch-management-vs-action1-patch-management)
- [Action1 Patch Management vs Automox Security Platform](https://cybersectools.com/compare/action1-patch-management-vs-automox-security-platform)
- [Action1 Patch Management vs Ivanti Endpoint Manager](https://cybersectools.com/compare/action1-patch-management-vs-ivanti-endpoint-manager)
- [Microsoft Defender vs NinjaOne Autonomous Patch Management](https://cybersectools.com/compare/microsoft-defender-vs-ninjaone-autonomous-patch-management)
- [Microsoft Defender vs Automox Security Platform](https://cybersectools.com/compare/automox-security-platform-vs-microsoft-defender)
- [Microsoft Defender vs Ivanti Endpoint Manager](https://cybersectools.com/compare/ivanti-endpoint-manager-vs-microsoft-defender)

## Alternatives to each

- [See all Action1 Patch Management alternatives](https://cybersectools.com/alternatives/action1-patch-management)
- [See all Microsoft Defender alternatives](https://cybersectools.com/alternatives/microsoft-defender)

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Source: https://cybersectools.com/compare/action1-patch-management-vs-microsoft-defender

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/action1-patch-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Action1 Patch Management and Microsoft Defender: 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