# CyStack Endpoint vs Nightfall Nyx: side-by-side comparison (2026)

[CyStack Endpoint](https://cybersectools.com/tools/cystack-endpoint) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [CyStack](https://cybersectools.com/companies/cystack). [Nightfall Nyx](https://cybersectools.com/tools/nightfall-nyx) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Nightfall AI](https://cybersectools.com/companies/nightfall-ai). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CyStack Endpoint | Nightfall Nyx |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Loss Prevention | Data Loss Prevention |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | CyStack | Nightfall AI |
| Headquarters | – | – |

### Use cases and capabilities

| | CyStack Endpoint | Nightfall Nyx |
|---|---|---|
| Data Exfiltration | Yes | Yes |
| Security Policy | Yes | – |
| Ransomware Prevention | Yes | – |
| Content Filtering | Yes | – |
| Patch Management | Yes | – |
| Remote Desktop | Yes | – |
| BYOD | Yes | – |
| Sensitive Data | Yes | – |

### Core features

**CyStack Endpoint**

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

**Nightfall Nyx**

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

### Integrations

**CyStack Endpoint**

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

**Nightfall Nyx**

12 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.

- [CyStack Endpoint](https://cybersectools.com/tools/cystack-endpoint) fits if you need to run it on your own servers.
- [Nightfall Nyx](https://cybersectools.com/tools/nightfall-nyx) fits if you want a cloud product and you are a small business.

## CyStack Endpoint vs Nightfall Nyx FAQ

Common questions when comparing CyStack Endpoint vs Nightfall Nyx for data loss prevention.

### What is the difference between CyStack Endpoint and Nightfall Nyx?

**CyStack Endpoint**: Endpoint DLP, device mgmt & security policy enforcement for enterprises. Built by CyStack.

**Nightfall Nyx**: AI-powered DLP analyst that investigates incidents and reduces data exposure risk. Built by Nightfall AI.

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

### Who makes CyStack Endpoint and Nightfall Nyx?

**CyStack Endpoint** is made by CyStack. **Nightfall Nyx** is made by Nightfall AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CyStack Endpoint a good alternative to Nightfall Nyx?

Often, yes. CyStack Endpoint and Nightfall Nyx are both Data Loss Prevention products, and both cover Data Exfiltration. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CyStack Endpoint vs Bold Endpoint Security](https://cybersectools.com/compare/bold-endpoint-security-vs-cystack-endpoint)
- [CyStack Endpoint vs Kitecyber Data Security Platform](https://cybersectools.com/compare/cystack-endpoint-vs-kitecyber-data-shield-device-shield-app-shield)
- [CyStack Endpoint vs SquareX Clipboard DLP](https://cybersectools.com/compare/cystack-endpoint-vs-squarex-clipboard-dlp)
- [Nightfall Nyx vs Bold Endpoint Security](https://cybersectools.com/compare/bold-endpoint-security-vs-nightfall-nyx)
- [Nightfall Nyx vs Kitecyber Data Security Platform](https://cybersectools.com/compare/kitecyber-data-shield-device-shield-app-shield-vs-nightfall-nyx)
- [Nightfall Nyx vs SquareX Clipboard DLP](https://cybersectools.com/compare/nightfall-nyx-vs-squarex-clipboard-dlp)

## Alternatives to each

- [See all CyStack Endpoint alternatives](https://cybersectools.com/alternatives/cystack-endpoint)
- [See all Nightfall Nyx alternatives](https://cybersectools.com/alternatives/nightfall-nyx)

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Source: https://cybersectools.com/compare/cystack-endpoint-vs-nightfall-nyx

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

More on CyStack Endpoint and Nightfall Nyx: 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