Nessus
Nessus
Updated August 20, 2025
Updated August 20, 2025
Nessus identifies security vulnerabilities, misconfigurations, and compliance issues across various systems and devices. It supports customizable scanning templates and integrates with multiple platforms for streamlined vulnerability assessment.
Nessus identifies security vulnerabilities, misconfigurations, and compliance issues across various systems and devices. It supports customizable scanning templates and integrates with multiple platforms for streamlined vulnerability assessment.
Asset Management
Attack Surface Management
Continuous Threat and Exposure Management
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Cost considerations
Cost considerations
Functionality
Functionality
Compatibility
Compatibility
User experience
User experience
Customer support
Customer support
Why these ratings?
Cyberse perspective
Cyberse perspective
Solution details
Target industry
Technology
Public sector
Industrials
Healthcare
Retail
Manufacturing
Financial services
Services support
In-house services
Third party integrators
Managed services
Scanning coverage
Network scanning
Host scanning
Application scanning
Product features
Risk scoring
Vulnerability scoring
Pricing
Free trial available
Market segment
Small business
Enterprise
Midmarket
Key features
API access
Point solution
Integrations
Security automation
Governance Risk and Compliance
Deployment
On-premises
Cloud-hosted
Cloud ecosystem partners
Amazon Web Services
Microsoft Azure Cloud
Google Cloud Platform
Ratings
Cost considerations
Nessus Professional uses a flat yearly license of roughly a few thousand dollars per scanner that covers unlimited assets and includes every plug-in, making costs predictable. That subscription is noticeably lower than per-asset pricing from Qualys or Rapid7 while still handling local, cloud, and web targets without paid add-ons. Costs rise only if multiple scanner seats are needed, so value is strong but not universally best-in-class.
Cost considerations
Nessus Professional uses a flat yearly license of roughly a few thousand dollars per scanner that covers unlimited assets and includes every plug-in, making costs predictable. That subscription is noticeably lower than per-asset pricing from Qualys or Rapid7 while still handling local, cloud, and web targets without paid add-ons. Costs rise only if multiple scanner seats are needed, so value is strong but not universally best-in-class.
Asset count
Functionality
Nessus delivers dependable network, authenticated and agent scans, yet cloud and container coverage stays fairly basic. Findings come with standard CVSS scores, leaving security teams to decide risk and manually move results into ticketing systems. These capability gaps keep Nessus roughly mid-tier for overall functionality.
Functionality
Nessus delivers dependable network, authenticated and agent scans, yet cloud and container coverage stays fairly basic. Findings come with standard CVSS scores, leaving security teams to decide risk and manually move results into ticketing systems. These capability gaps keep Nessus roughly mid-tier for overall functionality.
Compatibility
Nessus provides agents for Windows, macOS, and Linux and can scan AWS, Azure, and GCP when credentials are supplied. The absence of turnkey CMDB or SIEM connectors leaves teams depending on API scripts or CSV exports, placing compatibility squarely in the middle of the market.
Compatibility
Nessus provides agents for Windows, macOS, and Linux and can scan AWS, Azure, and GCP when credentials are supplied. The absence of turnkey CMDB or SIEM connectors leaves teams depending on API scripts or CSV exports, placing compatibility squarely in the middle of the market.
User experience
Nessus offers a straightforward web console, but the look and feel lag behind newer cloud tools. Most users can run scans quickly, yet customizing templates and reports takes trial and error. Limited drill-downs or guided fix paths mean analysts spend extra time piecing details together.
User experience
Nessus offers a straightforward web console, but the look and feel lag behind newer cloud tools. Most users can run scans quickly, yet customizing templates and reports takes trial and error. Limited drill-downs or guided fix paths mean analysts spend extra time piecing details together.
Customer support
Nessus users receive rapid same-day business-hours help and can upgrade to 24×7 phone and web support, backed by detailed knowledge articles. Tenable’s research team pushes new scanning plugins several times per day, typically within hours of a CVE disclosure. Dedicated success managers are available only to larger enterprise contracts, so support is strong but not universally top-tier.
Customer support
Nessus users receive rapid same-day business-hours help and can upgrade to 24×7 phone and web support, backed by detailed knowledge articles. Tenable’s research team pushes new scanning plugins several times per day, typically within hours of a CVE disclosure. Dedicated success managers are available only to larger enterprise contracts, so support is strong but not universally top-tier.
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