macmon NAC vs Tenable Nessus Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated May 2026 8 min read

macmon NAC

0.0 (0 reviews)

macmon NAC is a network access control software providing immediate network visibility and security by identifying, authenticating, and controlling all devices connected to your corporate infrastructure to prevent unauthorized access.

Starting at --
Free Trial 30 days
VS

Tenable Nessus

0.0 (0 reviews)

Nessus is a vulnerability assessment solution providing deep-point-in-time scans to identify security flaws, misconfigurations, and malware across your modern IT infrastructure, including cloud, containers, and traditional assets.

Starting at Free
Free Trial 7 days

Quick Comparison

Feature macmon NAC Tenable Nessus
Website macmon.eu tenable.com
Pricing Model Custom Freemium
Starting Price Custom Pricing Free
FREE Trial ✓ 30 days free trial ✓ 7 days free trial
Free Plan ✘ No free plan ✓ Has free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas on-premise saas on-premise desktop
Integrations Cisco HP Aruba Juniper Extreme Networks Check Point Fortinet Microsoft Active Directory Sophos Palo Alto Networks ServiceNow Splunk AWS Microsoft Azure Google Cloud Platform Jira Slack IBM QRadar
Target Users mid-market enterprise small-business mid-market enterprise
Target Industries healthcare manufacturing public-sector
Customer Count 0 0
Founded Year 2003 2002
Headquarters Berlin, Germany Columbia, USA

Overview

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macmon NAC

macmon NAC gives you complete control over your network by providing instant visibility into every connected device. You can see exactly what is on your network, where it is connected, and how it is behaving without needing to install complex agents on every endpoint. It simplifies security by automating the authentication process for both wired and wireless connections, ensuring only authorized devices can access your sensitive data.

You can implement guest management and BYOD policies easily, allowing visitors to connect securely while keeping your core infrastructure protected. The software integrates with your existing switches and infrastructure, making it a flexible choice for growing businesses. Whether you are managing a single office or a global enterprise, you can maintain a high security standard with minimal administrative effort.

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Tenable Nessus

Nessus helps you identify and fix security vulnerabilities before attackers can exploit them. You can scan your entire environment—including cloud instances, web applications, and traditional network hardware—to find missing patches, software flaws, and configuration errors. It provides a clear view of your attack surface so you can prioritize the most critical risks to your business.

You can choose between different versions depending on your needs, ranging from a free version for educators and students to professional and expert versions for security consultants. It simplifies the complex task of vulnerability assessment with pre-built templates and automated reporting. Whether you are securing a small office or a complex hybrid-cloud environment, you can rely on its extensive plugin library to stay protected against the latest threats.

Overview

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macmon NAC Features

  • Network Overview Get a real-time graphical view of your entire topology so you can see every connected device and switch port instantly.
  • Agentless Operation Secure your endpoints without installing software on every device, making it easy to manage printers, medical devices, and IoT.
  • Guest Portal Provide secure internet access for visitors through a customizable captive portal while keeping them isolated from your internal network.
  • Compliance Enforcement Automatically isolate or block devices that don't meet your security requirements to prevent the spread of malware and threats.
  • VLAN Management Assign users and devices to specific network segments automatically based on their identity or department for better data isolation.
  • BYOD Control Manage personal employee devices safely by defining clear access rules and authentication methods for your corporate Wi-Fi.
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Tenable Nessus Features

  • Pre-Built Scan Templates. Start scanning immediately using over 450 pre-configured templates for common audits like PCI-DSS and HIPAA compliance.
  • Live Results. Perform offline vulnerability analysis against your scan history to find new threats without running a new scan.
  • Cloud Infrastructure Scanning. Assess your cloud-native assets and identify misconfigurations in AWS, Azure, and Google Cloud environments easily.
  • Customizable Reporting. Create tailored reports in multiple formats like HTML or PDF to share critical security findings with your stakeholders.
  • Web Application Scanning. Identify vulnerabilities in your web applications and APIs to prevent common attacks like SQL injection and cross-site scripting.
  • External Surface Discovery. Find and map your internet-facing assets to understand what an attacker sees when looking at your organization.

Pricing Comparison

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macmon NAC Pricing

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Tenable Nessus Pricing

Nessus Essentials
$0
  • Scan up to 16 IP addresses
  • High-speed accurate scanning
  • Community support access
  • Standard vulnerability assessment
  • Free for educators and students

Pros & Cons

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macmon NAC

Pros

  • Fast implementation compared to other NAC solutions
  • Excellent visibility into non-traditional IoT devices
  • Intuitive web interface for daily management tasks
  • Strong integration with existing network hardware vendors

Cons

  • Initial configuration requires deep networking knowledge
  • Documentation can be overly technical for beginners
  • Pricing is high for very small environments
A

Tenable Nessus

Pros

  • Extremely high accuracy with very low false-positive rates
  • Massive library of plugins updated daily for new threats
  • Easy to set up and run your first scan quickly
  • Detailed remediation instructions help you fix issues faster

Cons

  • Annual subscription cost is high for small businesses
  • Interface can feel dated compared to newer cloud platforms
  • Reporting customization requires a learning curve to master
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