# CalCom Hardening Suite (CHS) vs ESET Server Security: side-by-side comparison (2026)

[CalCom Hardening Suite (CHS)](https://cybersectools.com/tools/calcom-hardening-suite-chs) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [CalCom Software](https://cybersectools.com/companies/calcom-software). [ESET Server Security](https://cybersectools.com/tools/eset-server-security) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [ESET](https://cybersectools.com/companies/eset). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CalCom Hardening Suite (CHS) | ESET Server Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Workload Protection | Workload Protection |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | CalCom Software | ESET |
| Headquarters | – | – |

### Use cases and capabilities

| | CalCom Hardening Suite (CHS) | ESET Server Security |
|---|---|---|
| Security Hardening | Yes | – |
| Security Configuration | Yes | – |
| Configuration Management | Yes | – |
| Windows Security | Yes | Yes |
| Security Policy | Yes | – |
| Linux | Yes | Yes |
| Patch Management | – | Yes |
| Ransomware Prevention | – | Yes |
| Server | – | Yes |

### Core features

**CalCom Hardening Suite (CHS)**

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

**ESET Server Security**

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

### Integrations

**CalCom Hardening Suite (CHS)**

No integrations listed.

**ESET Server Security**

5 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.

- [CalCom Hardening Suite (CHS)](https://cybersectools.com/tools/calcom-hardening-suite-chs) fits if you need to run it on your own servers.
- [ESET Server Security](https://cybersectools.com/tools/eset-server-security) fits if you need both cloud and on-premises options.

## CalCom Hardening Suite (CHS) vs ESET Server Security FAQ

Common questions when comparing CalCom Hardening Suite (CHS) vs ESET Server Security for workload protection.

### What is the difference between CalCom Hardening Suite (CHS) and ESET Server Security?

**CalCom Hardening Suite (CHS)**: Automates server hardening with zero-downtime policy enforcement for Windows & Linux. Built by CalCom Software.

**ESET Server Security**: Server security solution protecting file servers, SharePoint, and Linux systems. Built by ESET.

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

### Who makes CalCom Hardening Suite (CHS) and ESET Server Security?

**CalCom Hardening Suite (CHS)** is made by CalCom Software. **ESET Server Security** is made by ESET. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CalCom Hardening Suite (CHS) a good alternative to ESET Server Security?

Often, yes. CalCom Hardening Suite (CHS) and ESET Server Security are both Workload Protection products, and both cover Linux, Windows Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CalCom Hardening Suite (CHS) vs CSS for IIS](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-css-for-iis)
- [CalCom Hardening Suite (CHS) vs PC Matic Server Security](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-pc-matic-server-security)
- [CalCom Hardening Suite (CHS) vs Vali Cyber ZeroLock](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-vali-cyber-zerolock)
- [ESET Server Security vs CSS for IIS](https://cybersectools.com/compare/css-for-iis-vs-eset-server-security)
- [ESET Server Security vs PC Matic Server Security](https://cybersectools.com/compare/eset-server-security-vs-pc-matic-server-security)
- [ESET Server Security vs Vali Cyber ZeroLock](https://cybersectools.com/compare/eset-server-security-vs-vali-cyber-zerolock)

## Alternatives to each

- [See all CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs)
- [See all ESET Server Security alternatives](https://cybersectools.com/alternatives/eset-server-security)

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Source: https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-eset-server-security

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

More on CalCom Hardening Suite (CHS) and ESET Server Security: 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