# CalCom Hardening Suite (CHS) vs Invary for CIS: 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). [Invary for CIS](https://cybersectools.com/tools/invary-for-cis) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Invary](https://cybersectools.com/companies/invary). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CalCom Hardening Suite (CHS) | Invary for CIS |
|---|---|---|
| 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 | Invary |
| Headquarters | – | – |

### Use cases and capabilities

| | CalCom Hardening Suite (CHS) | Invary for CIS |
|---|---|---|
| Security Hardening | Yes | Yes |
| Security Configuration | Yes | – |
| Configuration Management | Yes | – |
| Windows Security | Yes | – |
| Security Policy | Yes | – |
| Linux | Yes | – |
| CIS | – | Yes |
| Operating System | – | Yes |
| Hardware Security | – | Yes |
| Security Compliance Training | – | Yes |

### Core features

**CalCom Hardening Suite (CHS)**

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

**Invary for CIS**

6 features 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.
- [Invary for CIS](https://cybersectools.com/tools/invary-for-cis) fits if you need both cloud and on-premises options.

## CalCom Hardening Suite (CHS) vs Invary for CIS FAQ

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

### What is the difference between CalCom Hardening Suite (CHS) and Invary for CIS?

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

**Invary for CIS**: Runtime integrity solution for OS, hardware, and software via CIS partnership. Built by Invary.

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

### Who makes CalCom Hardening Suite (CHS) and Invary for CIS?

**CalCom Hardening Suite (CHS)** is made by CalCom Software. **Invary for CIS** is made by Invary. 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 Invary for CIS?

Often, yes. CalCom Hardening Suite (CHS) and Invary for CIS are both Workload Protection products, and both cover 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 Remedio Smart Device Hardening](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-gytpol-smart-device-hardening)
- [Invary for CIS vs CSS for IIS](https://cybersectools.com/compare/css-for-iis-vs-invary-for-cis)
- [Invary for CIS vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-invary-for-cis)
- [Invary for CIS vs Remedio Smart Device Hardening](https://cybersectools.com/compare/gytpol-smart-device-hardening-vs-invary-for-cis)

## Alternatives to each

- [See all CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs)
- [See all Invary for CIS alternatives](https://cybersectools.com/alternatives/invary-for-cis)

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Source: https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-invary-for-cis

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 Invary for CIS: 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