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in a simple few words, wired is protected by its natural physical limitations, which make it difficult to hack into the data travels in the wire by Man in The middle method or any way.
wireless data is available for everyone by nature also in the air.
one of network security risks is the DOS attacks ( denial of service), the wireless networks can easily compromised by rogue access points and packets jammers, some wireless controlers and spectrum analyzers can help to locate the interference source, but if you're using unlicensed wireless channel as the802.11 g wireless channels, you can't do anything
Wireles Coverage often go beyond customer loaction and therefore intruder can do sniffing wireless packets without knowing b the admisrators of the wireless network. Attacker is not visibale to users that is the biggest risk. Attackers Accesspoint is made to transmit high power so that the wifi users get attached to the rouge access pint and then transmit data to the rouge and he then can tranfer the information sitting in between collecting sensitive customer information
Wireless network lacks physical security. It gives an open platform to the hacker to try all aspects to hack the ntwork without worrying of any physical or human security.
Wireless Networks work through radio waves which can be easily captured by most of the network adapters.
Because wireless networks are more exposed to everybody than wired network.
to access wired network you have to get physical access to cable, switch or network connected computer and this physical access is most of time difficult for intruder to hack into your system because they are inside your network Premise but in the case of wireless network you can not determing the signal coverage it may pass your premise and go out to the surrounding area so any body without being in your primise get the wireless signal can be hacked or missuse your network resource
unlike wired networks, where the ends of the network are known. Wifi disseminates information on a radio channel that can be received by any individuate. data encryption is indisponsable in wireless networks because it allows you to have a virtual channel with known ends.
Anonymous users can login into the network easily so we need to take all the security measures for any compromise
