Kenna Security vs Nessus Comparison
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
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…
Nessus leads on user satisfaction with a 4.4-star rating across 580 reviews.
SpotSaaS Analysis
Kenna SecurityNessus
The core difference lies in Kenna Security's focus on enterprise-level risk prioritization and integration for large organizations, while Nessus offers flexible vulnerability scanning suitable for both small businesses and large enterprises. Kenna is ideal for medium to large enterprises needing comprehensive visibility, whereas Nessus is best for teams seeking accurate scanning capabilities across diverse IT environments.
- Best for enterprise vulnerability management - Strong risk prioritization features - Ideal for medium to large organizations - Supports various expertise levels - Integrates well with existing systems - Focuses on comprehensive visibility of vulnerabilities
- Best for flexible vulnerability scanning - Suitable for both small and large enterprises - Offers automated scanning and reporting - Supports agent-based and credentialed scans - Provides accurate and up-to-date vulnerability detection - User-friendly interface for diverse IT environments
Kenna Security vs Nessus — at a glance
| Feature | Kenna Security | Nessus |
|---|---|---|
| Rating | 4.3 / 5 | 4.4 / 5 |
| Reviews | 265 | 580 |
| Starting price | Contact for pricing | $2,790 /Year |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business | Large Enterprises, Medium Business, Small Business |
| Category | Vulnerability Management Software | Vulnerability Management Software |
| Platforms | SaaS/Web/Cloud | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | Available | — |
| Support modes | Online | 24/7 (Live rep), Online |
| Certifications | SOC 2, GDPR, ISO 27001 | — |
| Data residency | Global | US |
Key differences between Kenna Security and Nessus
- 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: Kenna Security supports SaaS/Web/Cloud; Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
Kenna Security vs Nessus — 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
Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
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.
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.
Kenna Security: Best for enterprise vulnerability management with strong risk prioritization and integrations. Nessus: Best for comprehensive, flexible vulnerability scanning across diverse IT environments.
Description | 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 | 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 |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 100-5000 employeesMedium to large enterprises | Small BusinessLarge 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
- Proactive Risk Management: Kenna Security empowers your team to stay ahead of threats by prioritizing vulnerabilities based on real-world exploit data. This ensures that you’re addressing the most critical issues first, maximizing your security efforts effectively.
- Data-Driven Insights: With its advanced analytics capabilities, Kenna Security transforms complex security data into actionable insights. As a manager, you’ll appreciate how easily you can make informed decisions that align with your organization’s risk tolerance and business objectives.
- Streamlined Collaboration: The platform fosters seamless communication between security and IT teams. By breaking down silos, it enables everyone involved to work together more efficiently, ensuring everyone is on the same page when it comes to vulnerability management.
No key benefits available yet.
Best fit
- 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.
No best-fit guidance available yet.
Reasons buyers look elsewhere
- Users may seek alternatives to Kenna Security if they require more customizable vulnerability management solutions that better align with their specific organizational needs and compliance requirements.
- Organizations with limited budgets might explore alternatives that offer similar functionalities at a lower cost, ensuring they can maintain effective security without overspending.
- Companies that prioritize integration with existing security tools may look for alternatives that provide smoother interoperability and enhanced collaboration with their current tech stack.
No alternatives guidance available yet.
Software Demo
Demo |
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Compare Kenna Security and Nessus 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 | 🌐 Global | 🇺🇸 US |
Kenna Security 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 ease of use and effective risk prioritization, tempered by concerns over pricing and support responsiveness. What buyers like
Common complaints
| 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
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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 | No Customers information available. |  VMware  DocuSign  American Eagle Outfitters |
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Media and Screenshots
Screenshots |  5 Screenshots |  5 Screenshots |
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Videos |  3 Videos |  3 Videos |
Top Alternatives to Kenna Security and Nessus 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, Kenna Security or Nessus?
- 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 Kenna Security and Nessus offer a free trial?
- Nessus offers a free trial. Kenna Security does not.
- What is the starting price of Kenna Security vs Nessus?
- Kenna Security starts at Contact for pricing. Nessus starts at $2,790 /Year.
- What are the top alternatives to Kenna Security?
- Top alternatives to Kenna Security include Tenable.io, InsightVM, BeyondTrust Vulnerability Management, Qualys VM, Nessus.
- 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.