Quick comparison
| Tool | Focus | Pricing | |
|---|---|---|---|
| Tenable Nessus | Security Audit | From $4,790/yr | Reference |
| Invicti | Security Audit | Custom | Compare |
| Pentera | Security Audit | Custom | Compare |
| Cobalt | Security Audit | From $3,500/test | Compare |
| HackerOne Pentest | Security Audit | Custom | Compare |
| JupiterOne | Security Compliance | Custom | Compare |
| Optro | Enterprise Audit | Custom | Compare |
Why look for a Tenable Nessus alternative?
- The annual license is a substantial cost for small security teams.
- Web application and external-domain scanning are limited to five targets initially in Expert.
- Advanced support and training cost extra.
- Broader exposure-management workflows may require additional Tenable products.
Still considering Tenable Nessus? Read our full Tenable Nessus review for pricing, features and pros & cons.
Top Tenable Nessus alternatives
1. Invicti
Security Audit · Pricing: Custom
- • Automated proof-based DAST
- • Web and API discovery
- • Agentic pentest from $500
- • Compliance reporting
2. Pentera
Security Audit · Pricing: Custom
- • AI-powered automated pentesting
- • Internal, external, cloud attacks
- • Exploitable gap prioritization
- • Automated remediation
3. Cobalt
Security Audit · Pricing: From $3,500/test
- • Hybrid human + AI pentesting
- • Web, API, cloud and LLM tests
- • 50+ integrations
- • Compliance-ready reports
4. HackerOne Pentest
Security Audit · Pricing: Custom
- • Hybrid vetted pentester network
- • AI-powered agentic pentest
- • Retesting included
- • Compliance-ready reports
5. JupiterOne
Security Compliance · Pricing: Custom
- • Cyber asset analysis
- • Continuous monitoring
- • Attack surface visibility
- • Enterprise security
6. Optro
Enterprise Audit · Pricing: Custom
- • Connected risk platform
- • SOX & internal audit
- • Now Optro (2026 rebrand)
FAQ
What is the best alternative to Tenable Nessus?
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Invicti, Pentera, Cobalt are the most common Tenable Nessus alternatives. The best choice depends on your company size, budget and requirements. Compare pricing and coverage below, then request quotes from two or three vendors.
Why do companies switch from Tenable Nessus?
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The most common reasons reviewers give are: the annual license is a substantial cost for small security teams.; web application and external-domain scanning are limited to five targets initially in Expert.; advanced support and training cost extra..
How much does Tenable Nessus cost compared to alternatives?
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Tenable Nessus pricing: From $4,790/yr (annual subscription license). Many alternatives offer lower entry pricing or more transparent plans, so compare total cost including implementation and add-ons.
