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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

OnSecurity is a leading CREST-accredited penetration testing vendor based in the UK, dedicated to delivering high-impact, high-intelligence penetration testing services to businesses of all sizes. By simplifying the management and delivery of pentesting, we make it easier for organisations to enhance their security posture and mitigate risks, contributing to a safer, more secure digital environment for everyone. Make use of real-time reporting and immediate validation on fixes with FREE retesting. Streamline and reduce your admin overhead by integrating with existing workflows and demonstrate clear ROI. Pentesting, Vulnerability Scanning and Threat Intelligence all in one platform.

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

IT professionals searching for a Vulnerability Assessment solution

Audience

Businesses searching for a solution to test their security and assess vulnerabilities

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

$9.30 per month
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 4.8 / 5
ease 5.0 / 5
features 4.8 / 5
design 5.0 / 5
support 4.4 / 5

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 Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Not Supported
In Person Supported

Company Information

Tenable
Founded: 2002
United States
www.tenable.com/products/nessus

Company Information

OnSecurity
Founded: 2016
United Kingdom
www.onsecurity.io

Alternatives

Alternatives

Astra Pentest

Astra Pentest

Astra Security
Tenable One

Tenable One

Tenable
ESOF

ESOF

TAC Security
Burp Suite

Burp Suite

PortSwigger

Categories

Categories

AI Pentesting Supported
Anti-Phishing Supported
Cybersecurity Supported

Vulnerability Management Features

Asset Discovery Supported
Asset Tagging Not Supported
Network Scanning Supported
Patch Management Not Supported
Policy Management Supported
Prioritization Supported
Risk Management Not Supported
Vulnerability Assessment Supported
Web Scanning Supported

Vulnerability Scanners Features

Asset Discovery Supported
Black Box Scanning Not Supported
Compliance Monitoring Supported
Continuous Monitoring Supported
Defect Tracking Not Supported
Interactive Scanning Not Supported
Logging and Reporting Supported
Network Mapping Not Supported
Perimeter Scanning Not Supported
Risk Analysis Not Supported
Threat Intelligence Supported
Web Inspection Not Supported

Cybersecurity Features

AI / Machine Learning Not Supported
Behavioral Analytics Not Supported
Endpoint Management Not Supported
Incident Management Not Supported
IOC Verification Not Supported
Tokenization Not Supported
Vulnerability Scanning Supported
Whitelisting / Blacklisting Not Supported

Integrations

Bizzy Supported
C1Risk Supported
Centraleyezer Supported
CertSecure Manager Supported
CnSight Supported
Cyver Supported
D3 Smart SOAR Supported
Dradis Supported
Jira Not Supported
Microsoft Teams Not Supported
Nucleus Supported
OctoXLabs Supported
SCYTHE Supported
STREAM Integrated Risk Manager Supported
Seconize DeRisk Center Supported
Seeker Supported
Sn1per Professional Supported
Swimlane Supported
ThreadFix Supported
ThreatAdvisor Supported

Integrations

Bizzy Not Supported
C1Risk Not Supported
Centraleyezer Not Supported
CertSecure Manager Not Supported
CnSight Not Supported
Cyver Not Supported
D3 Smart SOAR Not Supported
Dradis Not Supported
Jira Supported
Microsoft Teams Supported
Nucleus Not Supported
OctoXLabs Not Supported
SCYTHE Not Supported
STREAM Integrated Risk Manager Not Supported
Seconize DeRisk Center Not Supported
Seeker Not Supported
Sn1per Professional Not Supported
Swimlane Not Supported
ThreadFix Not Supported
ThreatAdvisor Not Supported
Claim Tenable Nessus and update features and information
Claim Tenable Nessus and update features and information
Claim OnSecurity and update features and information
Claim OnSecurity and update features and information