Additional Information

Free Security Scanner For Network Exploration & Security Audits

Version Zenmap 7.98
Requirements

Windows 10 (32-bit)/Windows 10 (64-bit)/Windows 11

Updated August 23, 2025
Author Gordon Lyon
Category Firewalls and Security
License Open Source
Language English
Download 456

Overview

Zenmap is the official graphical user interface (GUI) for the widely respected Nmap Security Scanner. It brings the full power of Nmap’s advanced network discovery and security auditing capabilities into a more accessible, visual environment.

As a free and open-source tool, Zenmap is trusted by system administrators, network engineers, and security professionals to analyze networks, identify potential vulnerabilities, and maintain accurate network inventories.


What Is Zenmap?

Zenmap is a cross-platform network scanning and security auditing tool designed to make Nmap easier to use and understand. While Nmap is primarily command-line based, Zenmap provides a structured interface that helps users:

  • Run complex scans without memorizing commands

  • Visualize network topology

  • Save, compare, and analyze scan results over time

Despite its graphical nature, Zenmap retains the full scanning depth and accuracy that Nmap is known for.


Powerful Network Discovery and Analysis

Zenmap uses raw IP packets and advanced scanning techniques to gather detailed information about networked systems. It can detect:

  • Live hosts on a network

  • Open ports and running services

  • Application names and service versions

  • Operating systems and OS versions

  • Firewall rules and packet filtering behavior

These insights help administrators and security teams understand exactly what is exposed on a network.


Designed for Both Small and Large Networks

Although Zenmap is capable of rapidly scanning large enterprise networks, it works just as effectively for single-host analysis. This makes it suitable for a wide range of use cases, including:

  • Home and small office network audits

  • Enterprise infrastructure assessments

  • Pre-deployment security checks

  • Incident response investigations

Its flexibility allows users to scale their scanning efforts as needed.


Visual Tools That Improve Insight

One of Zenmap’s standout features is its visual representation of scan results. Users can explore:

  • Network topology maps

  • Host relationships

  • Historical scan comparisons

These visual tools make it easier to spot unusual changes, new devices, or unexpected services on the network—something that can be difficult when relying only on raw command-line output.


Common Use Cases for Zenmap

Zenmap is widely used for tasks such as:

  • Network inventory and asset discovery

  • Monitoring service availability and uptime

  • Verifying firewall and security policies

  • Managing service upgrade schedules

  • Detecting unauthorized devices or services

Because it builds on Nmap’s trusted scanning engine, results are both accurate and reliable.


Cross-Platform and Open Source

Zenmap runs on all major operating systems, including:

  • Windows

  • macOS

  • Linux

Official binary packages are available, making installation straightforward. As an open-source project, Zenmap benefits from continuous community review and improvement, ensuring transparency and long-term reliability.


Why Choose Zenmap Over Command-Line Nmap?

While experienced users may prefer the command line, Zenmap offers clear advantages:

  • Easier learning curve for beginners

  • Saved scan profiles for repeatability

  • Visual comparison of scan results

  • Reduced risk of command syntax errors

It serves as an excellent bridge between usability and professional-grade network scanning.


Key Features at a Glance

  • Official GUI for Nmap

  • Free and open source

  • Advanced host and service discovery

  • OS and firewall detection

  • Visual topology mapping

  • Scan history and comparison tools

  • Cross-platform support

Previous versions More »

7.98 August 23, 2025 34.56 MB 7.97 May 15, 2025 34.09 MB 7.96 May 08, 2025 34.04 MB 7.95 April 24, 2024 32.4 MB 7.94 June 25, 2023 30.96 MB 7.93 June 23, 2023 30.96 MB

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