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

[Bitglass CASB](https://cybersectools.com/tools/bitglass-casb) is a commercial [cloud access security broker](https://cybersectools.com/categories/casb) solution by [Bitglass](https://cybersectools.com/companies/bitglass). [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

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

### Use cases and capabilities

| | Bitglass CASB | ThreatBook OneDNS |
|---|---|---|
| SSO | Yes | – |
| Cloud Native | Yes | Yes |
| Visibility | Yes | – |
| Ransomware | – | Yes |
| URL Filtering | – | Yes |
| DNS Security | – | Yes |

### Core features

**Bitglass CASB**

No features listed.

**ThreatBook OneDNS**

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

## Bitglass CASB vs ThreatBook OneDNS FAQ

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

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

**Bitglass CASB**: Built by Bitglass.

**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 Bitglass CASB and ThreatBook OneDNS?

**Bitglass CASB** is made by Bitglass. **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 Bitglass CASB a good alternative to ThreatBook OneDNS?

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

## Related comparisons

- [Bitglass CASB vs CASB - Cloud Access Security Broker](https://cybersectools.com/compare/bitglass-casb-vs-casb-cloud-access-security-broker)
- [Bitglass CASB vs viLogics Cloud Access Security Broker](https://cybersectools.com/compare/bitglass-casb-vs-cloud-access-security-broker)
- [Bitglass CASB vs Fortra CASB](https://cybersectools.com/compare/bitglass-casb-vs-fortra-casb)
- [ThreatBook OneDNS vs CASB - Cloud Access Security Broker](https://cybersectools.com/compare/casb-cloud-access-security-broker-vs-threatbook-onedns)
- [ThreatBook OneDNS vs viLogics Cloud Access Security Broker](https://cybersectools.com/compare/cloud-access-security-broker-vs-threatbook-onedns)
- [ThreatBook OneDNS vs Fortra CASB](https://cybersectools.com/compare/fortra-casb-vs-threatbook-onedns)

## Alternatives to each

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

---

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

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/bitglass-casb.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Bitglass 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
