Aircrack-ng
Aircrack-ng is a free open-source Wi-Fi security suite used to capture traffic and test WEP and WPA keys for authorized testers auditing wireless networks.
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- Pricing
- Free
- Platforms
- LinuxWindowsmacOS
- License
- Open source
- Reviewed
- Last reviewed 6 October 2026
What it is
A set of command-line programs for assessing 802.11 networks, covering monitoring, packet injection, driver checks, and key recovery from captured traffic. It runs mainly on Linux, with support for Windows, macOS, and the BSDs.
What it helps with
- Capturing wireless frames and exporting the data for other tools
- Checking whether a wireless card and driver can capture and inject
- Testing whether a WEP key or WPA and WPA2 pre-shared key holds up against recovery
- Checking how clients and access points react to replayed traffic during an authorized test
Who it's for
Penetration testers and network administrators assessing Wi-Fi networks they own or are authorized to assess.
Worth knowing
The last tagged release, 1.7, came out in May 2022, but the code on GitHub still receives regular commits.
Does it have a graphical interface?
No. Every tool runs from the command line, and many third-party front ends are built on top of it.
Is there a container image?
Yes. The project publishes a Docker image built from the current Git code.
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