# Codenotary Guardian vs CSS for IIS: side-by-side comparison (2026)

[Codenotary Guardian](https://cybersectools.com/tools/codenotary-guardian) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Codenotary](https://cybersectools.com/companies/codenotary). [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

| | Codenotary Guardian | CSS for IIS |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Workload Protection | Workload Protection |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Codenotary | CalCom Software |
| Headquarters | – | – |

### Use cases and capabilities

| | Codenotary Guardian | CSS for IIS |
|---|---|---|
| Zero Day | Yes | – |
| CIS | Yes | – |
| Linux | Yes | – |
| Security Hardening | – | Yes |
| Configuration Management | – | Yes |
| Microsoft | – | Yes |
| Policy | – | Yes |
| Security Configuration | – | Yes |
| Benchmark | – | Yes |
| Windows Security | – | Yes |

### Core features

**Codenotary Guardian**

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

**CSS for IIS**

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

### Integrations

**Codenotary Guardian**

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.

- [Codenotary Guardian](https://cybersectools.com/tools/codenotary-guardian) fits if you want a cloud product and you are a startup.
- [CSS for IIS](https://cybersectools.com/tools/css-for-iis) fits if you need to run it on your own servers.

## Codenotary Guardian vs CSS for IIS FAQ

Common questions when comparing Codenotary Guardian vs CSS for IIS for workload protection.

### What is the difference between Codenotary Guardian and CSS for IIS?

**Codenotary Guardian**: AI-powered Linux system protection with auto-remediation and compliance, built by Codenotary.

**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 Codenotary Guardian and CSS for IIS?

**Codenotary Guardian** is made by Codenotary. **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 Codenotary Guardian a good alternative to CSS for IIS?

Often, yes. Codenotary Guardian and CSS for IIS are both Workload Protection products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Codenotary Guardian vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-codenotary-guardian)
- [Codenotary Guardian vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-codenotary-guardian)
- [Codenotary Guardian vs Remedio Smart Device Hardening](https://cybersectools.com/compare/codenotary-guardian-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)
- [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)

## Alternatives to each

- [See all Codenotary Guardian alternatives](https://cybersectools.com/alternatives/codenotary-guardian)
- [See all CSS for IIS alternatives](https://cybersectools.com/alternatives/css-for-iis)

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Source: https://cybersectools.com/compare/codenotary-guardian-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/codenotary-guardian.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Codenotary Guardian 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