# CSS for IIS vs Invary for CIS: side-by-side comparison (2026)

[CSS for IIS](https://cybersectools.com/tools/css-for-iis) 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

| | CSS for IIS | 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

| | CSS for IIS | Invary for CIS |
|---|---|---|
| Security Hardening | Yes | Yes |
| Configuration Management | Yes | – |
| Microsoft | Yes | – |
| Policy | Yes | – |
| Security Configuration | Yes | – |
| Benchmark | Yes | – |
| Windows Security | Yes | – |
| CIS | – | Yes |
| Operating System | – | Yes |
| Hardware Security | – | Yes |
| Security Compliance Training | – | Yes |

### Core features

**CSS for IIS**

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

**Invary for CIS**

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

### Integrations

**CSS for IIS**

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

**Invary for CIS**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [CSS for IIS](https://cybersectools.com/tools/css-for-iis) 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.

## CSS for IIS vs Invary for CIS FAQ

Common questions when comparing CSS for IIS vs Invary for CIS for workload protection.

### What is the difference between CSS for IIS and Invary for CIS?

**CSS for IIS**: Automated hardening and compliance management tool for Microsoft IIS servers. 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 CSS for IIS and Invary for CIS?

**CSS for IIS** 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 CSS for IIS a good alternative to Invary for CIS?

Often, yes. CSS for IIS 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

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

## Alternatives to each

- [See all CSS for IIS alternatives](https://cybersectools.com/alternatives/css-for-iis)
- [See all Invary for CIS alternatives](https://cybersectools.com/alternatives/invary-for-cis)

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Source: https://cybersectools.com/compare/css-for-iis-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/css-for-iis.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on CSS for IIS 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