# CalCom Hardening Suite (CHS) vs Vali Cyber ZeroLock: 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). [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

| | CalCom Hardening Suite (CHS) | 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

| | CalCom Hardening Suite (CHS) | Vali Cyber ZeroLock |
|---|---|---|
| Security Hardening | Yes | – |
| Security Configuration | Yes | – |
| Configuration Management | Yes | – |
| Windows Security | Yes | – |
| Security Policy | Yes | – |
| Linux | Yes | Yes |
| Ransomware Prevention | – | Yes |
| Kubernetes | – | Yes |

### Core features

**CalCom Hardening Suite (CHS)**

9 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

**CalCom Hardening Suite (CHS)**

No integrations listed.

**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.

- [CalCom Hardening Suite (CHS)](https://cybersectools.com/tools/calcom-hardening-suite-chs) 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.

## CalCom Hardening Suite (CHS) vs Vali Cyber ZeroLock FAQ

Common questions when comparing CalCom Hardening Suite (CHS) vs Vali Cyber ZeroLock for workload protection.

### What is the difference between CalCom Hardening Suite (CHS) and Vali Cyber ZeroLock?

**CalCom Hardening Suite (CHS)**: Automates server hardening with zero-downtime policy enforcement for Windows & Linux. 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 CalCom Hardening Suite (CHS) and Vali Cyber ZeroLock?

**CalCom Hardening Suite (CHS)** 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 CalCom Hardening Suite (CHS) a good alternative to Vali Cyber ZeroLock?

Often, yes. CalCom Hardening Suite (CHS) and Vali Cyber ZeroLock are both Workload Protection products, and both cover Linux. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CalCom Hardening Suite (CHS) vs ESET Server Security](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-eset-server-security)
- [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 AI EdgeLabs Platform](https://cybersectools.com/compare/ai-edgelabs-platform-vs-calcom-hardening-suite-chs)
- [Vali Cyber ZeroLock vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs CSS for IIS](https://cybersectools.com/compare/css-for-iis-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs AI EdgeLabs Platform](https://cybersectools.com/compare/ai-edgelabs-platform-vs-vali-cyber-zerolock)

## Alternatives to each

- [See all CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs)
- [See all Vali Cyber ZeroLock alternatives](https://cybersectools.com/alternatives/vali-cyber-zerolock)

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Source: https://cybersectools.com/compare/calcom-hardening-suite-chs-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/calcom-hardening-suite-chs.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on CalCom Hardening Suite (CHS) 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