# CSS for IIS vs Vali Cyber ZeroLock: 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). [Vali Cyber ZeroLock](https://cybersectools.com/tools/vali-cyber-zerolock) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Vali Cyber](https://cybersectools.com/companies/vali-cyber). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CSS for IIS | Vali Cyber ZeroLock |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Workload Protection | Workload Protection |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | CalCom Software | Vali Cyber |
| Headquarters | – | – |

### Use cases and capabilities

| | CSS for IIS | Vali Cyber ZeroLock |
|---|---|---|
| Security Hardening | Yes | – |
| Configuration Management | Yes | – |
| Microsoft | Yes | – |
| Policy | Yes | – |
| Security Configuration | Yes | – |
| Benchmark | Yes | – |
| Windows Security | Yes | – |
| Ransomware Prevention | – | Yes |
| Kubernetes | – | Yes |
| Linux | – | Yes |

### Core features

**CSS for IIS**

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

**Vali Cyber ZeroLock**

10 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.

**Vali Cyber ZeroLock**

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.

- [CSS for IIS](https://cybersectools.com/tools/css-for-iis) fits if you need to run it on your own servers and you are a small business.
- [Vali Cyber ZeroLock](https://cybersectools.com/tools/vali-cyber-zerolock) fits if you need both cloud and on-premises options.

## CSS for IIS vs Vali Cyber ZeroLock FAQ

Common questions when comparing CSS for IIS vs Vali Cyber ZeroLock for workload protection.

### What is the difference between CSS for IIS and Vali Cyber ZeroLock?

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

**Vali Cyber ZeroLock**: Linux security platform for federal/national security environments. Built by Vali Cyber.

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

### Who makes CSS for IIS and Vali Cyber ZeroLock?

**CSS for IIS** is made by CalCom Software. **Vali Cyber ZeroLock** is made by Vali Cyber. 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 Vali Cyber ZeroLock?

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

## Related comparisons

- [CSS for IIS vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-css-for-iis)
- [CSS for IIS vs ESET Server Security](https://cybersectools.com/compare/css-for-iis-vs-eset-server-security)
- [CSS for IIS vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-css-for-iis)
- [Vali Cyber ZeroLock vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-vali-cyber-zerolock)

## Alternatives to each

- [See all CSS for IIS alternatives](https://cybersectools.com/alternatives/css-for-iis)
- [See all Vali Cyber ZeroLock alternatives](https://cybersectools.com/alternatives/vali-cyber-zerolock)

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Source: https://cybersectools.com/compare/css-for-iis-vs-vali-cyber-zerolock

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 Vali Cyber ZeroLock: 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