Securing wireless LANs Course
1 hour, 7 minutes
Syllabus
Wi-Fi encryption standards
Video - 00:10:00
Securing Wi-Fi networks is crucial since physical access is not required to gain network access. In this video Wi-Fi security standards such as WEP, WPA, and WPS are discussed.
RFID, NFC, and Bluetooth
Video - 00:07:00
While there are many wireless network standards, which ones are designed for close proximity? This video covers RFID, NFC and Bluetooth wireless network communications.
Wi-Fi coverage and performance
Video - 00:08:00
Optimizing Wi-Fi communication means ensuring there is proper coverage over a given area and that there are no wireless interference issues from other transmitting devices. A wireless site survey with a heat map can identify overlapping Wi-Fi channels or wireless dead spots where connectivity may need to be improved.
Wi-Fi discovery and attacks
Video - 00:12:00
Is your Wi-Fi network completely invisible if you disable SSID broadcasting? No! Periodic beacon frames are still sent wirelessly with the WLAN name field excluded. Freely available tools can be used to discover and crack WEP and WPA passphrases.
Cracking WPA2
Video - 00:10:00
One way to crack WPA2 passphrases is to de-authenticate an existing connected client, then capture and analyze the client re-authenticating. This episode will demonstrate how to perform an offline dictionary attack using a WPA2 authentication packet capture file.
Wi-Fi hardening
Video - 00:10:00
There are many options for securing Wi-Fi networks. Disabling items such as WLAN name broadcast, DHCP, and public network management are the first consideration. Using WPA3 enterprise mode and changing default settings also help harden your Wi-Fi network.
Chapter 8 exam question review
Video - 00:02:00
Malicious users will often mimic legitimate services in an attempt to trick unsuspecting victims into connecting to the service. This episode presents a scenario where the viewer must determin what type of attack has taken place.
WPA2 cracking lab
Video - 00:07:00
Wi-Fi Protected Access (WPA) protectes Wi-Fi network communnications. This episode demonstrates how there are ways to crack a WPA2 using offline attack methods.
Chapter 8 Ask Me Anything (AMA)
Video - 00:01:00
Some wireless networking attacks involve deception. In this episode, Mike describes how there are variations of Evil Twin attacks including through DNS.
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