Tenable Nessus vs. VORNAC Comparison


Tenable Nessus Tenable	VORNAC VORNAC GmbH	+	+
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About Nessus is trusted by more than 30,000 organizations worldwide as one of the most widely deployed security technologies on the planet - and the gold standard for vulnerability assessment. From the beginning, we've worked hand-in-hand with the security community. We continuously optimize Nessus based on community feedback to make it the most accurate and comprehensive vulnerability assessment solution in the market. 20 years later and we're still laser focused on community collaboration and product innovation to provide the most accurate and complete vulnerability data - so you don't miss critical issues which could put your organization at risk. Today, Nessus is trusted by more than 30,000 organizations worldwide as one of the most widely deployed security technologies on the planet - and the gold standard for vulnerability assessment.	About VORNAC is a platform for continuous security validation. An autonomous AI agent runs penetration tests against production environments using real attack techniques and delivers an audit-ready report with prioritised findings within hours. Tests start via CI/CD webhook, API or on demand and can be repeated as often as needed instead of once a year, so one target system can be tested all year round for roughly the price of a single classic pentest. The platform is developed and hosted in Germany with no dependency on US cloud providers. It is built for organisations subject to NIS2, DORA, KRITIS, TISAX, VAIT/BAIT and ISO 27001, such as insurers, financial services, critical infrastructure operators and industrial companies. VORNAC GmbH is based in Heidelberg, Germany, and a member of TeleTrusT.
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience IT professionals searching for a Vulnerability Assessment solution	Audience Mid-market and enterprise organisations in regulated industries (insurance, financial services, critical infrastructure, automotive, industry) that must prove continuous security testing under NIS2, DORA, KRITIS, TISAX or ISO 27001; CISOs, IT security teams and DevSecOps teams
Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online
API Offers API	API Offers API
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing No information available. Free Version Free Trial	Pricing No information available. Free Version Free Trial
Reviews/Ratings Overall 4.8 / 5 ease 5.0 / 5 features 4.8 / 5 design 5.0 / 5 support 4.4 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros Customizable Scans Wide Platform Support Pre-built policies and Templates like PCI DSS and HIPAA Frequent Plugin Updates Active and Passive Detection Comprehensive Vulnerability Coverage Nessus supports a wide range of operating systems and devices, making it versatile for diverse IT environments. Nessus benefits from an active community of users and professional support, ensuring that users can find solutions and best practices when needed. Nessus provides the flexibility to perform both agent-based scans for systems that require persistent monitoring and agentless scans for systems where installing an agent is impractical. Nessus excels at identifying vulnerabilities in systems across a wide range of platforms, including operating systems, databases, network devices, and web applications. It checks for known vulnerabilities using both signature-based and heuristic-based scanning techniques Nessus can perform configuration audits by comparing system settings against industry best practices (e.g., CIS Benchmarks, DISA STIGs). This allows organizations to enforce security policies and ensure that systems are configured securely By providing Nessus with valid credentials (such as admin-level access), it can perform more in-depth scans and accurately identify vulnerabilities that require elevated privileges. Nessus can integrate with other security solutions such as SIEMs (Security Information and Event Management systems), ticketing systems (e.g., ServiceNow, Jira), and other vulnerability management tools. This helps automate workflows and streamline vulnerability remediation. Nessus offers an intuitive user interface with a simple setup process, making it accessible even to organizations without a dedicated security team. The interface provides easy access to scan configurations, reports, and plugin management. 1) Nessus provides in-depth vulnerability scanning across a wide range of systems, applications, and devices, helping identify potential security risks quickly and thoroughly. 2) The vulnerability database is constantly updated, ensuring that the scanner detects the latest threats and vulnerabilities, which is crucial for maintaining up-to-date security. 3) The interface is intuitive and easy to navigate, even for users who aren’t security experts. It’s simple to run scans, view results, and take action based on the findings. 4) Nessus offers flexibility with customizable scanning profiles, allowing users to tailor scans to specific needs, whether it’s targeting particular systems, vulnerabilities, or compliance requirements. 5) The reports generated by Nessus are detailed and clear, offering actionable insights and prioritizing vulnerabilities based on severity. This helps teams address the most critical issues first. In depth vulnerability scanning with very usable results in easy to read formats and reports that you can drill down into. Very detailed information for how quick the scan is. Cons Limited Automation Custom Scripting Complexity No Built-In Patch Management Limited Cloud Integration False Positives The basic version of Nessus is free for limited use, accessing advanced features like compliance checks and extended reporting in Nessus Professional requires a subscription, which may not suit smaller organizations with tight budgets. Nessus scans can consume significant network and system resources, potentially slowing down operations or affecting the performance of critical systems during scans. Nessus can be resource-heavy, especially when performing in-depth scans or scanning large environments. High network bandwidth and processing power are required to perform large-scale scans without negatively impacting system performance. In environments with limited resources, this could slow down network operations or impact system stability While Nessus does offer some web application scanning capabilities (e.g., detecting SQL injection, XSS, etc.), it is not as specialized or comprehensive as dedicated web application security testing tools like Burp Suite or OWASP ZAP. Organizations with a heavy focus on web applications may find Nessus lacking in depth for these specific needs 1) While Nessus does integrate with some third-party tools, its integration options are more limited compared to some other vulnerability management platforms, which might be a drawback for larger organizations with complex IT environments. 2) Nessus can struggle with scaling up for very large, complex environments or enterprise-level networks, where more robust vulnerability management platforms might be better suited. The free trial sucked. Not only is it limited to 7 days, but you can't even try the full feature set for that 7 days. It's limited to reporting on the first 16 devices it detects. Unfortunately on my network, it didn't make it to any servers before hitting that limit, so I only got info on workstations, a printer and a credit card reader. At least give me 1 full scan of my network so I can compare workstations to servers, or give me the ability to go back and pick certain IP addresses to scan, maybe via csv file upload?
Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person
Company Information Tenable Founded: 2002 United States www.tenable.com/products/nessus	Company Information VORNAC GmbH Founded: 2026 Germany www.vornac.com
Alternatives Orca Security	Alternatives No Alternatives
Astra Pentest Astra Security
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Categories AI Pentesting Attack Surface Management Cyber Risk Management IT Security Network Monitoring Network Security Penetration Testing Security Risk Assessment Vulnerability Assessment Vulnerability Management Vulnerability Scanners	Categories AI Pentesting Penetration Testing
Show More Features Vulnerability Management Features Asset Discovery Asset Tagging Network Scanning Patch Management Policy Management Prioritization Risk Management Vulnerability Assessment Web Scanning
Integrations Bizzy C1Risk Cloudaware Cynerio Cyver D3 Smart SOAR Dradis Google Digital Risk Protection Hexway Pentest Suite Hyperproof Monad Phoenix Security PlexTrac SQUAD1 ScalePad ControlMap Sn1per Professional Tenable One Cloud Exposure (CNAPP) The Respond Analyst Vulcan Cyber Show More Integrations View All 56 Integrations	Integrations Bizzy C1Risk Cloudaware Cynerio Cyver D3 Smart SOAR Dradis Google Digital Risk Protection Hexway Pentest Suite Hyperproof Monad Phoenix Security PlexTrac SQUAD1 ScalePad ControlMap Sn1per Professional Tenable One Cloud Exposure (CNAPP) The Respond Analyst Vulcan Cyber Show More Integrations
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