Orca Security vs Tenable Nessus
Updated June 2026 · A structured head-to-head comparison.
Agentless cloud security.
Industry-standard vulnerability scanner
The verdict
Both Orca Security and Tenable Nessus are credible application security tools, and the right pick comes down to your priorities.
Orca Security — Agentless cloud security.
Choose Tenable Nessus if you'd rather have a lower starting price (from $4599/yr), a longer free trial (7 days) and broader platform coverage. Industry-standard vulnerability scanner
Orca Security vs Tenable Nessus: side by side
| Dimension | Orca Security | Tenable Nessus |
|---|---|---|
| Starting price | Custom | From $4599/yrWinner |
| Free plan | No | No |
| Free trial | — | 7 daysWinner |
| Pricing model | Subscription | Subscription |
| Best for | Cloud Security Teams | Smb, Enterprise, Security Teams, Consultants |
| Platforms | Web, Api | Windows, Mac, Linux, Web, ApiWinner |
| Rating | 4.6/5 | 4.6/5 |
Orca Security key facts
- Vendor
- Orca Security
- Pricing
- Subscription — Custom
- Free tier
- No
- Platforms
- Web, Api
- Best for
- Cloud Security Teams
- Editor rating
- 4.6 / 5
- Founded
- 2019
- Headquarters
- Portland, OR, USA
Tenable Nessus key facts
- Vendor
- Tenable
- Pricing
- Subscription — From $4599/yr
- Free tier
- Free trial (7 days)
- Platforms
- Windows, Mac, Linux, Web, Api
- Best for
- Smb, Enterprise, Security Teams, Consultants
- Editor rating
- 4.6 / 5
- Founded
- 2002
- Headquarters
- Columbia, USA
Frequently asked questions
Is Orca Security better than Tenable Nessus?
Neither is universally better — Orca Security edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Orca Security or Tenable Nessus cheaper?
Tenable Nessus is the more affordable of the two to get started, at from $4599/yr. Orca Security starts at custom; Tenable Nessus starts at from $4599/yr.
Can Orca Security replace Tenable Nessus?
Yes for most teams — both are application security tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.