The wireless networks are based on the IEEE standards belonging to the 802 family.
Following list is a simple overview of the 802.11 family: • 802.11b o Most widespread o 11Mb maximum, 2.4 GHZ band • 802.11a o Next generation o 54MB maximum, 5GHZ band • 802.11g o 54MB maximum, 2.4 GHZ band o Compatible with 802.11b • 802.11X o Uses Extensible Authentication Protocol (EAP) o Supports RADIUS • 802.11i
OVERVIEW OF WIRELESS TECHNOLOGY.
Security and Privacy issues in Wireless Network.
End users are not security experts, and may not be aware of the risks posed by wireless LANs.
Nearly all of the access points running with default configurations have not activated WEP.
Most of the users does not change access point’s default key used by all the vendor's products out of the box.
The Wireless Access Points who are enabled with WEP can be cracked easily.