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

[CIS Benchmarks Audit](https://cybersectools.com/tools/cis-benchmarks-audit) is a free [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution. [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CIS Benchmarks Audit | CSS for IIS |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Vulnerability Assessment | Workload Protection |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 273 | – |
| Last commit | Feb 2023 | – |
| Company | – | CalCom Software |
| Headquarters | – | – |

### Use cases and capabilities

| | CIS Benchmarks Audit | CSS for IIS |
|---|---|---|
| Security Hardening | Yes | Yes |
| CIS | Yes | – |
| Security Standards | Yes | – |
| Security Audit | Yes | – |
| Configuration Management | – | Yes |
| Microsoft | – | Yes |
| Policy | – | Yes |
| Security Configuration | – | Yes |
| Benchmark | – | Yes |
| Windows Security | – | Yes |

### Core features

**CIS Benchmarks Audit**

No features listed.

**CSS for IIS**

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

### Integrations

**CIS Benchmarks Audit**

No integrations listed.

**CSS for IIS**

2 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.

- [CIS Benchmarks Audit](https://cybersectools.com/tools/cis-benchmarks-audit) fits if you are a startup, you need a free product and you want an open-source product.

## CIS Benchmarks Audit vs CSS for IIS FAQ

Common questions when comparing CIS Benchmarks Audit vs CSS for IIS for vulnerability assessment.

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

**CIS Benchmarks Audit**: A standalone Python script that audits system configurations against CIS Hardening Benchmarks to assess compliance readiness without requiring installation or dependencies.

**CSS for IIS**: Automated hardening and compliance management tool for Microsoft IIS servers, built by CalCom Software.

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

### Who makes CIS Benchmarks Audit and CSS for IIS?

**CIS Benchmarks Audit** is open-source with 273 GitHub stars. **CSS for IIS** is made by CalCom Software. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CIS Benchmarks Audit a good alternative to CSS for IIS?

In part. CIS Benchmarks Audit and CSS for IIS are not in the same category on CybersecTools. Both cover Security Hardening. Key differences: CIS Benchmarks Audit is Free while CSS for IIS is Commercial, CIS Benchmarks Audit is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CIS Benchmarks Audit vs Reclaim Security Platform](https://cybersectools.com/compare/cis-benchmarks-audit-vs-reclaim-security-platform)
- [CIS Benchmarks Audit vs Nanitor](https://cybersectools.com/compare/cis-benchmarks-audit-vs-nanitor)
- [CIS Benchmarks Audit vs SecHard Cyber Hygiene Platform](https://cybersectools.com/compare/cis-benchmarks-audit-vs-sechard-cyber-hygiene-platform)
- [CSS for IIS vs Reclaim Security Platform](https://cybersectools.com/compare/css-for-iis-vs-reclaim-security-platform)
- [CSS for IIS vs Nanitor](https://cybersectools.com/compare/css-for-iis-vs-nanitor)
- [CSS for IIS vs SecHard Cyber Hygiene Platform](https://cybersectools.com/compare/css-for-iis-vs-sechard-cyber-hygiene-platform)

## Alternatives to each

- [See all CIS Benchmarks Audit alternatives](https://cybersectools.com/alternatives/cis-benchmarks-audit)
- [See all CSS for IIS alternatives](https://cybersectools.com/alternatives/css-for-iis)

---

Source: https://cybersectools.com/compare/cis-benchmarks-audit-vs-css-for-iis

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

More on CIS Benchmarks Audit and CSS for IIS: 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