# CalCom Hardening Suite (CHS) vs Nanitor: 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). [Nanitor](https://cybersectools.com/tools/nanitor) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Nanitor](https://cybersectools.com/companies/nanitor). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | CalCom Hardening Suite (CHS) | Nanitor |
|---|---|---|
| Security Hardening | Yes | Yes |
| Security Configuration | Yes | – |
| Configuration Management | Yes | Yes |
| Windows Security | Yes | – |
| Security Policy | Yes | – |
| Linux | Yes | – |
| Vulnerability | – | Yes |
| Vulnerability Prioritization | – | Yes |
| Patch Management | – | Yes |
| Security Reporting | – | Yes |
| Inventory | – | Yes |
| Security Audit | – | Yes |

### Core features

**CalCom Hardening Suite (CHS)**

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

**Nanitor**

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

### Integrations

**CalCom Hardening Suite (CHS)**

No integrations listed.

**Nanitor**

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.

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

## CalCom Hardening Suite (CHS) vs Nanitor FAQ

Common questions when comparing CalCom Hardening Suite (CHS) vs Nanitor for workload protection.

### What is the difference between CalCom Hardening Suite (CHS) and Nanitor?

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

**Nanitor**: CTEM platform for VM, security config, and patch intelligence across IT infra, built by Nanitor.

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

### Who makes CalCom Hardening Suite (CHS) and Nanitor?

**CalCom Hardening Suite (CHS)** is made by CalCom Software. **Nanitor** is made by Nanitor. 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 Nanitor?

In part. CalCom Hardening Suite (CHS) and Nanitor are not in the same category on CybersecTools. Both cover Configuration Management, Security Hardening. 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 CimTrak CCR](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-cimtrak-ccr)
- [CalCom Hardening Suite (CHS) vs ESET Server Security](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-eset-server-security)
- [Nanitor vs CSS for IIS](https://cybersectools.com/compare/css-for-iis-vs-nanitor)
- [Nanitor vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-nanitor)
- [Nanitor vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-nanitor)

## Alternatives to each

- [See all CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs)
- [See all Nanitor alternatives](https://cybersectools.com/alternatives/nanitor)

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Source: https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-nanitor

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 Nanitor: 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