Nessus vs Kenna Security Comparison
Nessus
Starting at $2,790 /Year
- Free Trial
- Large Enterprises
- Medium Business
Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react to them in real time. Nessus m…
Kenna Security
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Kenna Security is enterprise-grade vulnerability management software that turns vulnerability scanning into a streamlined set of processes. Scan complex networks of all sizes across all levels of the internet using an in…
Nessus leads on user satisfaction with a 4.4-star rating across 580 reviews.
Spotsaas Analysis
NessusKenna Security
The core difference between Nessus and Kenna Security lies in Nessus's focus on flexible vulnerability scanning for diverse IT environments, while Kenna Security emphasizes enterprise-level vulnerability management with robust risk prioritization. Nessus is ideal for organizations of all sizes seeking accurate vulnerability detection, whereas Kenna Security is best suited for medium to large enterprises, particularly in sectors like cybersecurity and healthcare, looking for comprehensive risk management.
- Comprehensive and flexible vulnerability scanning - Suitable for small businesses and large enterprises - Automated scanning and reporting features - User-friendly interface supporting agent-based and credentialed scans - Priced at $2,790 - Focus on accurate, up-to-date vulnerability detection
- Enterprise-level vulnerability management - Strong risk prioritization capabilities - Ideal for medium to large enterprises (100-5,000 employees) - Supports various sectors including healthcare and finance - User-friendly interface for diverse expertise levels - Price not listed
Nessus vs Kenna Security — at a glance
| Feature | Nessus | Kenna Security |
|---|---|---|
| Rating | 4.4 / 5 | 4.3 / 5 |
| Reviews | 580 | 265 |
| Starting price | $2,790 /Year | Contact for pricing |
| Free trial | Yes | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business |
| Category | Vulnerability Management Software | Vulnerability Management Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | SaaS/Web/Cloud |
| API | — | Available |
| Support modes | 24/7 (Live rep), Online | Online |
| Certifications | — | SOC 2, GDPR, ISO 27001 |
| Data residency | US | Global |
Key differences between Nessus and Kenna Security
- Pricing: Nessus starts at $2,790 /Year. Kenna Security pricing is not publicly listed.
- Free trial: Nessus offers a free trial; Kenna Security does not.
- User satisfaction: Nessus scores higher with a 4.4-star average.
- Deployment: Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Kenna Security supports SaaS/Web/Cloud.
Nessus vs Kenna Security — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Vulnerability Management Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
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Biggest differences
Start here before you go deeper into features.
Best for comprehensive, flexible vulnerability scanning across diverse IT environments.
- You need accurate, up-to-date vulnerability detection with automated scanning and reporting.
- Your team values a user-friendly interface that supports both agent-based and credentialed scans.
- You require scalable vulnerability management with flexible licensing for any organization size.
- You need extensive third-party integrations beyond core vulnerability scanning capabilities.
- Your workflows demand highly customizable reporting without complex setup or cumbersome configuration.
Best for enterprise vulnerability management with strong risk prioritization and integrations.
- You need comprehensive visibility and prioritization of vulnerabilities across complex, large networks.
- Your team values a user-friendly interface that supports varying expertise levels.
- You require automation of scans, notifications, and risk scoring to streamline workflows.
- You are a small business with limited budget constraints.
- You need highly customizable reporting and dashboards beyond the platform’s capabilities.
Nessus: Best for comprehensive, flexible vulnerability scanning across diverse IT environments. Kenna Security: Best for enterprise vulnerability management with strong risk prioritization and integrations.
Description | Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react ... Read More about Nessus | Kenna Security is enterprise-grade vulnerability management software that turns vulnerability scanning into a streamlined set of processes. Scan complex networks of all sizes across all ... Read More about Kenna Security |
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Entry Level Pricing |
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Free Trial Availability |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | 100-5000 employeesMedium to large enterprises |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
No key benefits available yet.
- Proactive Risk Management: Kenna Security lets your team stay ahead of threats by prioritizing vulnerabilities based on real-world exploit data. This confirms that you're addressing the most critical issues first, maximizing your security efforts effectively.
- Data-Driven Insights: Kenna Security turns complex security data into actionable insights through its analytics capabilities. As a manager, you can make informed decisions that match your organization's risk tolerance and business objectives.
- Streamlined Collaboration: The platform builds smooth communication between security and IT teams. By breaking down silos, it lets everyone work together more efficiently, keeping everyone informed on vulnerability management.
Best fit
No best-fit guidance available yet.
- 100 to 5,000 employees.
- Cybersecurity, IT Services, Financial Services, Healthcare, Education, Government.
- Chief Information Security Officers (CISOs), Security Analysts, Risk Managers, IT Security Engineers, Compliance Officers.
Reasons buyers look elsewhere
No alternatives guidance available yet.
- Lacks customizable vulnerability workflows — teams needing role-based access controls or custom severity scoring often add Qualys or Rapid7
- Price-sensitive buyers under $50K annual budget typically switch to open-source alternatives like OpenVAS or commercial competitors like Tenable Nessus
- Requires manual API configuration for third-party SIEM integration — teams using Splunk or ELK Stack prefer vendors with pre-built connectors
Software Demo
Demo |
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How do Nessus and Kenna Security Compare on Features?
Total Features | 6 Features | 6 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Nessus and Kenna Security on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Pricing Page |  | Pricing information not available |
Other Details
Organization Types supported |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
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GDPR | — | ✓ Yes |
ISO 27001 | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | — | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | 🇺🇸 US | 🌐 Global |
Nessus User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Overall positive sentiment highlights Nessus’s strong vulnerability detection and user-friendly interface, tempered by occasional scan inconsistencies and limited marketplace options. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlights ease of use and effective risk prioritization, tempered by concerns over pricing and support responsiveness. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  VMware  DocuSign  American Eagle Outfitters | No Customers information available. |
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Media and Screenshots
Screenshots |  5 Screenshots |  5 Screenshots |
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Videos |  3 Videos |  3 Videos |
Top Alternatives to Nessus and Kenna Security in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Nessus or Kenna Security?
- Nessus edges out the other on user ratings (4.4 vs 4.3). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Nessus and Kenna Security offer a free trial?
- Nessus offers a free trial. Kenna Security does not.
- What is the starting price of Nessus vs Kenna Security?
- Nessus starts at $2,790 /Year. Kenna Security starts at Contact for pricing.
- What are the top alternatives to Nessus?
- Top alternatives to Nessus include Tenable.io, BeyondTrust Vulnerability Management, Qualys VM, Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management.
- What are the top alternatives to Kenna Security?
- Top alternatives to Kenna Security include Tenable.io, InsightVM, BeyondTrust Vulnerability Management, Qualys VM, Nessus.