# Messageware Server Threat Guard (STG) vs threatER: side-by-side comparison (2026)

[Messageware Server Threat Guard (STG)](https://cybersectools.com/tools/messageware-server-threat-guard-stg) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Messageware](https://cybersectools.com/companies/messageware). [threatER](https://cybersectools.com/tools/threater) is a commercial [intrusion detection and prevention systems](https://cybersectools.com/categories/idps) solution by [threatER](https://cybersectools.com/companies/threater). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Messageware Server Threat Guard (STG) | threatER |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Workload Protection | Intrusion Detection and Prevention Systems |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Messageware | threatER |
| Headquarters | – | – |

### Use cases and capabilities

| | Messageware Server Threat Guard (STG) | threatER |
|---|---|---|
| Windows Security | Yes | – |
| Server | Yes | – |
| Zero Day | Yes | – |
| Microsoft 365 | Yes | – |
| DNS Security | – | Yes |
| Content Filtering | – | Yes |
| Threat Feed | – | Yes |
| IoT Security | – | Yes |
| Network Protection | – | Yes |
| Traffic Filtering | – | Yes |

### Core features

**Messageware Server Threat Guard (STG)**

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

**threatER**

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

### Integrations

**Messageware Server Threat Guard (STG)**

1 integration listed. Sign in on the page to see them.

**threatER**

3 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.

- [Messageware Server Threat Guard (STG)](https://cybersectools.com/tools/messageware-server-threat-guard-stg) fits if you need to run it on your own servers.
- [threatER](https://cybersectools.com/tools/threater) fits if you want a cloud product and you are a startup.

## Messageware Server Threat Guard (STG) vs threatER FAQ

Common questions when comparing Messageware Server Threat Guard (STG) vs threatER for workload protection.

### What is the difference between Messageware Server Threat Guard (STG) and threatER?

**Messageware Server Threat Guard (STG)**: Real-time threat detection & health monitoring for Windows/Exchange servers, built by Messageware.

**threatER**: Preemptive threat blocking platform using IP segmentation and DNS security, built by threatER.

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

### Who makes Messageware Server Threat Guard (STG) and threatER?

**Messageware Server Threat Guard (STG)** is made by Messageware. **threatER** is made by threatER. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Messageware Server Threat Guard (STG) a good alternative to threatER?

In part. Messageware Server Threat Guard (STG) and threatER are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Messageware Server Threat Guard (STG) vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-messageware-server-threat-guard-stg)
- [Messageware Server Threat Guard (STG) vs BitNinja Server Security Platform](https://cybersectools.com/compare/bitninja-server-security-platform-vs-messageware-server-threat-guard-stg)
- [Messageware Server Threat Guard (STG) vs PC Matic Server Security](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-pc-matic-server-security)
- [threatER vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-threater)
- [threatER vs BitNinja Server Security Platform](https://cybersectools.com/compare/bitninja-server-security-platform-vs-threater)
- [threatER vs PC Matic Server Security](https://cybersectools.com/compare/pc-matic-server-security-vs-threater)

## Alternatives to each

- [See all Messageware Server Threat Guard (STG) alternatives](https://cybersectools.com/alternatives/messageware-server-threat-guard-stg)
- [See all threatER alternatives](https://cybersectools.com/alternatives/threater)

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Source: https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-threater

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

More on Messageware Server Threat Guard (STG) and threatER: 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