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Wireless Security Assessment Best Practices

Comprehensive guide to testing Wi-Fi network security using aircrack-ng, wifite, and bettercap.

Semih Kilic December 14, 2025 9 min read

Wireless Security Testing Methodology

Wireless networks present unique attack surfaces. This guide covers the essential tools and techniques for assessing Wi-Fi security.

Essential Tools

Aircrack-ng Suite

The foundational toolkit for wireless assessment:

Put interface in monitor mode

airmon-ng start wlan0
Scan for networks

airodump-ng wlan0mon
Capture handshake for specific network

airodump-ng -c 6 --bssid AA:BB:CC:DD:EE:FF -w capture wlan0mon
Deauth attack (to capture handshake)

aireplay-ng -0 5 -a AA:BB:CC:DD:EE:FF wlan0mon
Crack WPA2 handshake

aircrack-ng -w /usr/share/wordlists/rockyou.txt capture-01.cap

Wifite (Automated)

For rapid assessment of multiple networks:

Automated scan and attack

wifite --kill --no-reaver
Target specific encryption

wifite --wpa --dict /path/to/wordlist.txt

Bettercap (MITM)

For man-in-the-middle testing:

Start bettercap

bettercap -iface wlan0
ARP spoofing

> set arp.spoof.targets 192.168.1.0/24
> arp.spoof on
DNS spoofing

> set dns.spoof.domains example.com
> dns.spoof on

Assessment Checklist

  • Encryption Strength: WPA3 > WPA2-AES > WPA2-TKIP > WEP (never use)
  • SSID Security: Disable SSID broadcast in sensitive environments
  • Client Isolation: Prevent lateral movement between wireless clients
  • Rogue AP Detection: Monitor for evil twin attacks
  • 802.1X/RADIUS: Enterprise authentication for corporate networks

Legal Warning

Wireless testing must only be performed on networks you own or have explicit written permission to test. Unauthorized wireless access is a criminal offense in most jurisdictions.

Conclusion

Regular wireless security assessments are essential for any organization. Combine automated scanning with manual testing for comprehensive coverage.

#wireless#WiFi#aircrack-ng#wifite#bettercap
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