# Corelight Investigator vs Viettel VCS-NSM: side-by-side comparison (2026)

[Corelight Investigator](https://cybersectools.com/tools/corelight-investigator) is a commercial [network detection and response](https://cybersectools.com/categories/ndr) solution by [Corelight](https://cybersectools.com/companies/corelight). [Viettel VCS-NSM](https://cybersectools.com/tools/viettel-vcs-nsm) is a commercial [network detection and response](https://cybersectools.com/categories/ndr) solution by [Viettel Security](https://cybersectools.com/companies/viettel-security). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Corelight Investigator | Viettel VCS-NSM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Network Detection and Response | Network Detection and Response |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Corelight | Viettel Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Corelight Investigator | Viettel VCS-NSM |
|---|---|---|
| YARA | Yes | – |
| PCAP | Yes | Yes |
| Network Monitoring | Yes | Yes |
| APT | – | Yes |
| Anomaly Detection | – | Yes |

### Core features

**Corelight Investigator**

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

**Viettel VCS-NSM**

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

### Integrations

**Corelight Investigator**

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

**Viettel VCS-NSM**

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.

- [Corelight Investigator](https://cybersectools.com/tools/corelight-investigator) fits if you need both cloud and on-premises options.
- [Viettel VCS-NSM](https://cybersectools.com/tools/viettel-vcs-nsm) fits if you need to run it on your own servers.

## Corelight Investigator vs Viettel VCS-NSM FAQ

Common questions when comparing Corelight Investigator vs Viettel VCS-NSM for network detection and response.

### What is the difference between Corelight Investigator and Viettel VCS-NSM?

**Corelight Investigator**: SaaS-based NDR platform for threat investigation and Tier 1 workflows. Built by Corelight.

**Viettel VCS-NSM**: Real-time network security monitoring for threat detection using DPI and sandbox. Built by Viettel Security.

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

### Who makes Corelight Investigator and Viettel VCS-NSM?

**Corelight Investigator** is made by Corelight. **Viettel VCS-NSM** is made by Viettel Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Corelight Investigator a good alternative to Viettel VCS-NSM?

Often, yes. Corelight Investigator and Viettel VCS-NSM are both Network Detection and Response products, and both cover PCAP, Network Monitoring. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Corelight Investigator vs Corelight Open NDR Platform](https://cybersectools.com/compare/corelight-investigator-vs-corelight-open-ndr-platform)
- [Corelight Investigator vs Hyprfire Firebug](https://cybersectools.com/compare/corelight-investigator-vs-hyprfire-firebug)
- [Corelight Investigator vs GREYCORTEX Mendel](https://cybersectools.com/compare/corelight-investigator-vs-greycortex-mendel)
- [Viettel VCS-NSM vs Corelight Open NDR Platform](https://cybersectools.com/compare/corelight-open-ndr-platform-vs-viettel-vcs-nsm)
- [Viettel VCS-NSM vs Hyprfire Firebug](https://cybersectools.com/compare/hyprfire-firebug-vs-viettel-vcs-nsm)
- [Viettel VCS-NSM vs GREYCORTEX Mendel](https://cybersectools.com/compare/greycortex-mendel-vs-viettel-vcs-nsm)

## Alternatives to each

- [See all Corelight Investigator alternatives](https://cybersectools.com/alternatives/corelight-investigator)
- [See all Viettel VCS-NSM alternatives](https://cybersectools.com/alternatives/viettel-vcs-nsm)

---

Source: https://cybersectools.com/compare/corelight-investigator-vs-viettel-vcs-nsm

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

More on Corelight Investigator and Viettel VCS-NSM: 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