#1 most frequent
United States of America
54.3%1,960 installations of 3,608
What is Nmap?
Nmap is a free, open source network discovery, mapper, and security auditing software. Its core features include port scanning identifying unknown devices, testing for security vulnerabilities, and identifying network issues.
Categories & Use Cases
Videos
Top Performing Features
Network monitoring
Monitoring network device availability and performance indicators like bandwidth, packet loss, CPU, WAN links, etc.
Category average: 8.9
Network mapping
Dynamic mapping tool allows the network topology to be mapped showing performance metrics, and link connection and utilization
Category average: 7.8
Baseline threshold calculation
Calculation of baseline thresholds so to establish warning thresholds
Category average: 8.3
Areas for Improvement
Packet capture analysis
Interception of data packets provides performance-related information such as network and application response times, and traffic type analysis
Category average: 7.3
Wireless infrastructure monitoring
Ability to monitor wireless access points, controllers, and connected clients
Category average: 7.6
Customizable reports
Ability to schedule, generate, and deliver custom performance and availability reports
Category average: 7.2
Who Buys & Uses Nmap
#2 most frequent
India
7.1%255 installations of 3,608
#3 most frequent
Canada
4.6%166 installations of 3,608
Nmap is the best of breed for network mapping tools
Use Cases and Deployment Scope
We use Nmap to help troubleshoot networking issues, run internal purple team events, and identify operating systems and open ports. During purple team events we use Nmap to run some exploits on systems to make sure they are not suspectable to the particular exploits. Externally, we perform scans to verify ports that are exposed to the internet. Sometimes we use it to see what systems are on a particular segment of our network.
Pros
- Nmap is very good at discovering systems on your network.
- Nmap is very good at guessing a systems operating system with a high degree of accuracy.
- Nmap is good at validating externally facing systems to make sure that unauthorized access is not allowed.
Cons
- The GUI version on Nmap could use some improvement with the options that are available to do scans. For example, they could make it easier to select options for the different types of scanning for people who are beginners
- There are no abilities to schedule a scan in the Nmap tool.
- An intensive scan sometimes takes too much time to complete.
Return on Investment
- Nmap is a part of other tools that I use and it give a high return on investment in the vulnerability management area.
- It is very accurate with the information it provides. I would say more than 98% of the times Nmap is spot on the information it provides once validated.
Usability
Other Software Used
Microsoft Teams, Microsoft Defender for Cloud Apps, Microsoft Defender for Cloud
Complete networking tool for any sysadmin or network tester
Pros
- It is open source, so you can verify how it works
- It is very extensive, with lots of advanced networking features
- It is very lightweight and easy to start up
Cons
- The learning curve is quite steep
- On Windows, not all functions are available
- If you do not limit your scan range, a command can take a really long time to complete
Most Important Features
- Checking network cybersecurity compliance
- Troubleshooting network problems
- Auditing for security vulnerabilities
Return on Investment
- Technical support can use this to streamline customer problems much quicker
- Software development use this to make sure all new release are up to security compliance standards
- Security uses this to test for new vulnerabilities
Other Software Used
GitLab, Icinga, Docker
General review of Nmap
Pros
- Nmap is fast and flexible, It allows me to perform custom scan across my network(s)
- Nmap provides crucial OS information when possible
- comes in GUI and command-line versions
- allows me to scan individual IP, ranges and full subnets
- The ability to throttle the scan progress helps me to avoid triggering alarms
Cons
- exporting, There's a serious lack of ability to export the information in a readable format to present to VPs and such. I always find myself doing a lot of data massaging to get it in a pretty format
- some scans can trigger sensitive IDS/IPS
- SYN scans can be particularly aggressive and cause problems on remote systems.
Most Important Features
- fast
- flexible
- customizable
Return on Investment
- Nmap is free. Its all profit baby!
- Nmap has allowed up to be able to perform tasks for free which allows us to save $$ for other projects
Other Software Used
SolarWinds Network Performance Monitor (NPM), SolarWinds Virtualization Manager (VMAN), vRealize Operations
Nmap is the basis for all other scanners
Pros
- Nmap is great at finding live hosts on the network
- Nmap is great for teaching new cyber specialist how network reconnaissance works
- Nmap is built into every major recon tool on the market, it just works when it comes to scanning
Cons
- There could be more built in tools for further vulnerability scanning
- command line Nmap should store recent scans automatically
- More detail in the help menu for what some of the triggers actually do
Most Important Features
- Subnet scans
- Zenmaps GUI
- Simplicity of command structure
Return on Investment
- Drastically sped up network discovery
- Decreased initial target acquisition time in pen testing
- Identified issues within our own environment with open ports
Other Software Used
Nessus, KnowBe4 Security Awareness Training, PDQ Deploy
The best hacking tool you will ever need!
Pros
- Very user-intuitive.
- Built-in scripts allow for vulnerability testing.
Cons
- Better GUI for ZenMap.
- Can be difficult to learn and master.
Return on Investment
- It is open-sourced and widely available.
- However, learning and training can be difficult since there is no support.
Alternatives Considered
Metasploit, Nessus and Rapid7 Nexpose
Other Software Used
Nessus, Metasploit, Rapid7 Nexpose