# Fortra CASB vs ThreatBook OneDNS: side-by-side comparison (2026)

[Fortra CASB](https://cybersectools.com/tools/fortra-casb) is a commercial [cloud access security broker](https://cybersectools.com/categories/casb) solution by [Fortra](https://cybersectools.com/companies/fortra). [ThreatBook OneDNS](https://cybersectools.com/tools/threatbook-onedns) is a commercial [security service edge](https://cybersectools.com/categories/sse) solution by [ThreatBook](https://cybersectools.com/companies/threatbook). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Fortra CASB | ThreatBook OneDNS |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cloud Access Security Broker | Security Service Edge |
| Verified | Verified | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Fortra | ThreatBook |
| Headquarters | – | – |

### Use cases and capabilities

| | Fortra CASB | ThreatBook OneDNS |
|---|---|---|
| Encryption | Yes | – |
| Cloud Native | – | Yes |
| Ransomware | – | Yes |
| URL Filtering | – | Yes |
| DNS Security | – | Yes |

### Core features

**Fortra CASB**

- Cloud application discovery and risk assessment
- Shadow IT detection and visibility
- Data loss prevention (DLP) for cloud environments
- User activity monitoring and behavioral analytics
- Access control and policy enforcement for cloud services
- Threat protection against compromised accounts and insider threats
- Compliance monitoring and enforcement for regulatory frameworks

**ThreatBook OneDNS**

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

### Integrations

**Fortra CASB**

- Google Drive
- Microsoft 365
- Dropbox
- Slack
- Teams

**ThreatBook OneDNS**

No integrations listed.

## Fortra CASB vs ThreatBook OneDNS FAQ

Common questions when comparing Fortra CASB vs ThreatBook OneDNS for cloud access security broker.

### What is the difference between Fortra CASB and ThreatBook OneDNS?

**Fortra CASB**: Cloud Access Security Broker for monitoring and securing cloud application usage. Built by Fortra. Core capabilities include Cloud application discovery and risk assessment, Shadow IT detection and visibility, Data loss prevention (DLP) for cloud environments.

**ThreatBook OneDNS**: Cloud-native DNS security service blocking malware, phishing, and threats. Built by ThreatBook.

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

### Who makes Fortra CASB and ThreatBook OneDNS?

**Fortra CASB** is made by Fortra. **ThreatBook OneDNS** is made by ThreatBook. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Fortra CASB a good alternative to ThreatBook OneDNS?

In part. Fortra CASB and ThreatBook OneDNS are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Fortra CASB vs Palo Alto Networks Prisma Access SaaS Security](https://cybersectools.com/compare/fortra-casb-vs-palo-alto-networks-prisma-access-saas-security)
- [Fortra CASB vs Skyhigh Security Skyhigh Cloud Access Security Broker](https://cybersectools.com/compare/fortra-casb-vs-skyhigh-security-skyhigh-cloud-access-security-broker)
- [Fortra CASB vs StratoKey Cloud Access Security Broker (CASB)](https://cybersectools.com/compare/fortra-casb-vs-stratokey-cloud-access-security-broker-casb)
- [ThreatBook OneDNS vs Palo Alto Networks Prisma Access SaaS Security](https://cybersectools.com/compare/palo-alto-networks-prisma-access-saas-security-vs-threatbook-onedns)
- [ThreatBook OneDNS vs Skyhigh Security Skyhigh Cloud Access Security Broker](https://cybersectools.com/compare/skyhigh-security-skyhigh-cloud-access-security-broker-vs-threatbook-onedns)
- [ThreatBook OneDNS vs StratoKey Cloud Access Security Broker (CASB)](https://cybersectools.com/compare/stratokey-cloud-access-security-broker-casb-vs-threatbook-onedns)

## Alternatives to each

- [See all Fortra CASB alternatives](https://cybersectools.com/alternatives/fortra-casb)
- [See all ThreatBook OneDNS alternatives](https://cybersectools.com/alternatives/threatbook-onedns)

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Source: https://cybersectools.com/compare/fortra-casb-vs-threatbook-onedns

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More on Fortra CASB and ThreatBook OneDNS: 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