KisMAC – a WiFi scanner for your Mac

Free and open-source program helps you collect essential information about surrounding WiFi networks. KisMAC WiFi scanner app can detect SSIDs, shows you the logged in clients, allows you to sketch WiFi maps, and more!

Download KisMAC 2 source code

ATTENTION! KisMAC WiFi scanner is no longer being updated or maintained! The latest version 0.3.3 released Feb 07, 2011

You can download an alternative WiFi scanner app for macOS Download NetSpot →

Discover WiFi networks around you

Detect and analyze the surrounding wireless networks, even those that are hidden or closed.

See who’s logged on to your WiFi

Know who exactly is using your wireless network: clients’ MAC addresses, IP addresses, and signal strength.

Detect WiFi security breaches

The software helps you identify any possible security breaches of your network and decide what needs improvement.

Use a WiFi scanner

A WiFi scanner app like KisMac allows you to find all kind of WiFi networks around you including hidden, cloaked, and closed ones. Check the name of WiFi network, MAC address, WiFi encryption, channel, and signal level.

KisMAC can also connect with GPS technology to accurately log the precise location of access points.

Use a WiFi sniffer

A WiFi sniffer software is aimed to help you analyze network problems, detect possible network intrusions. Such an app can monitor and analyze network utilization (including internal and external clients).

A WiFi sniffer can also help you determine the wireless signal strength and in case of multiple signals, it can sort the signals by strength for your convenience.

Use a WiFi security tool

Even nowadays WiFi breaches can still happen due to policy, configuration, or simply some coding mistakes. Consistent surveillance and regular WiFi assessments are crucial for detecting wireless environment vulnerabilities.

Read more: How to Hack WiFi with KisMAC →

With KisMAC WiFi security app one gets to monitor a wireless network, assess vulnerability and detect an unwanted intrusion. Run the app periodically to keep track of your WiFi network safety, use the proper security settings to keep your access points secure.

KisMAC WiFi scanner features

Detects and shows hidden / cloaked / closed SSIDs
Lists users logged on the network (MAC Address, IP address, signal strength)
Supports mapping and GPS

Can sketch a map of network coverage
PCAP import and export
Supports 802.11b/g frequency
Different attacks against encrypted networks

Deauthentication attacks
The app is considered to be AppleScript-able
Supports Kismet drone captures

Supported hardware chipsets

Ralink rt2570 and rt73 USB devices
Apple AirPort and AirPort Extreme (dependent upon Apple’s drivers)
Intersil Prism 2, 2.5, 3 USB devices
Realtek RTL8187L USB (such as the Alfa AWUS036H, which does not work on Mac OS 10.6.7 or later)

Create your perfect WiFi network

If you are in search of tools that can help you build a perfect wireless network environment, take a look at such WiFi heatmapper as NetSpot. NetSpot is a professional app for Mac (that can be used by advanced home users too).

The above mentioned possibilities are available in NetSpot PRO and NetSpot Enterprise.

That helps you:
Survey a WiFi site. Analyze and troubleshoot WiFi coverage. Draw heatmaps of your WiFi conveniently visualizing strong and weak spots of the network.

Visualizations:
Signal-to-noise ratio, Noise level, Upload/Download speed, which will help you identify possible issues with a wireless network in order to find the most optimal fix.

Download NetSpot WiFi Analyzer

Free NetSpot can detect surrounding WiFi networks and display such parameters as SSID, MAC address, and Signal level in real time.

With free NetSpot you can find a less crowded channel for your network to operate smoothly and with good speeds.