Tenable Nessus
Industry-leading vulnerability scanner with 200,000+ vulnerability checks
About Tenable Nessus
Tenable Nessus is the gold standard in vulnerability assessment, used by security professionals worldwide to identify weaknesses across network infrastructure, web applications, cloud environments, and endpoints. With a database of over 200,000 vulnerability plugins and 500+ prebuilt scanning policies, Nessus provides comprehensive coverage for configuration audits, malware detection, compliance checks, and patch management. The scanner is known for the industry's lowest false positive rate and delivers detailed, actionable reports that help teams prioritize remediation. Available in Professional and Expert editions, Nessus scales from small IT teams to large enterprises and managed security service providers (MSSPs). Tenable continuously updates its plugin library to cover the latest CVEs and emerging threats, making Nessus a trusted choice for organizations that need reliable, accurate vulnerability scanning.
Pros & Cons
Pros
- Industry's most comprehensive vulnerability database with 200,000+ plugins
- Lowest false positive rate among vulnerability scanners
- Easy setup and deployment — scans can run in minutes
- Unlimited IP scanning with no per-asset pricing
- Continuously updated plugin library covering latest CVEs and threats
- Trusted by security teams worldwide — the de facto standard in vuln scanning
Cons
- Annual pricing starting at \u00244,390 is steep for small businesses
- Reporting capabilities can be cumbersome and difficult to customize
- Scans can be time-consuming and impact network performance
- Some false positives still occur despite low overall rate
- Limited integration options compared to full Tenable platform
- Technical support quality varies without Advanced Support add-on
Key Features
200,000+ vulnerability plugins continuously updated for latest threats
Industry's lowest false positive rate for accurate results
500+ prebuilt scanning policies for quick deployment
Unlimited IP scanning with no asset count restrictions
Configuration auditing against CIS benchmarks and best practices
Compliance scanning for PCI DSS, HIPAA, NIST, and more
Web application vulnerability scanning (Expert edition)
External attack surface discovery (Expert edition)
Network vulnerability assessment and prioritization
Use case
Compliance auditing (PCI, HIPAA, SOC 2, NIST)
Use case
Patch management verification
Use case
Cloud infrastructure security scanning
Use case
Web application security testing
Use case
External attack surface monitoring
Use case
Malware detection across endpoints
Use case
Tenable Vulnerability Management integration
Integration
Tenable Security Center integration
Integration
Splunk integration
Integration
ServiceNow integration
Integration
Jira integration
Integration
AWS integration
Integration
Azure integration
Integration
Google Cloud integration
Integration
Pricing
- Unlimited IP scanning
- 200,000+ vulnerability plugins
- 500+ prebuilt scanning policies
- Configuration auditing
- Compliance checks
- Detailed reporting
- Standard support included
- Everything in Professional
- External attack surface scanning
- Cloud infrastructure scanning
- Web application scanning
- Advanced features for MSSPs
- Priority support options
- 24/365 phone support
- Email and chat support
- Community access
- Add-on for any Nessus plan
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