Wireless security ensures that unauthorized access to wireless networks is restricted. In the modern technological world, wireless network has become very common in the organizations. This mobile networking, simplified connectivity, but the number of security issues has increased. The integration of wired and wireless networks has created a comfortable platform for intelligent crackers to track the sensitive data of wired network by gaining access to wireless devices.

In most of the wireless networking, there will be a centralized access point called router that enables connectivity among all wireless devices. The system can be made more flexible by deploying ad hoc networks where there are no centralized access points. In that case, the only possible way to secure data is to use strong encryption algorithm to encrypt data before transmitting it.

Several standards have been developed to ensure securing wireless networks. All the LAN devices that are connected to the wireless network must be secured. The users who gain access to the wireless network have to be educated about the legal ways to enter and secure wireless network. The whole network has to be monitored actively to find bogus injection or security breach.

Wifi networking is an eminent networking technology build on basic wireless networking. Wifi ensures connectivity between mobile devices at any time and at any place. Any device with Wifi card can now connect to a wireless access point which is basically a router connected to some other form of network. Wifi connectivity is now offered in most of the public places where the access point is connected to internet. With this networking ability, you can use Wifi card in your laptop, get connected to the wireless hotspot, and start browsing internet at great speeds. Radio waves are used in Wifi technology and these waves can handle large amount of data at a faster rate.

Wifi networks are subjected to more security threats because any device that enters into the accessible distance of wireless access point can get access to the whole network. In this case, if the wireless access point is compromised, all the data transfer that occurs through the network can be easily monitored. With the early 802.11 standard, access to a secure Wifi network is restricted by checking the Mac address of the wireless devices with a prefabricated list of authorized users. The newer IEEE 802.11i encryption standard resolves most of the security loop holes in Wifi networking. If the network in an organization handles sensitive data, it becomes important to deploy personalized security measures to prevent unauthorized access.

Few simple steps to secure your Wifi network

1. If you are using Wifi Modem for your broadband connection for your desktop PC connected using Ethernet cable, disable the wireless option in modem properties.As most of the modems come up with wireless facility enabled while manufacturing.Chances are their your neighbor can easily access your wifi network.

2. If you are really enjoying your wifi connection in your laptop in your office or home, make sure that you put WEP key in your modem. As it will block  unauthorized person to view or use your wifi network.

3. Switch Off your wifi modem, while your not using it, or leaving your office. Saves you electricity bill as well as secures your wireless network.

]]> http://www.voip-blog.net/how-to-secure-wireless-network/feed/ 0 http://www.voip-blog.net/why-we-should-never-overlook-the-harmful-effects-of-wi-fi/ http://www.voip-blog.net/why-we-should-never-overlook-the-harmful-effects-of-wi-fi/#comments Sat, 15 Nov 2008 16:59:27 +0000 admin http://www.voip-blog.net/?p=103 WIFI or wireless fidelity has come about with numerous advantages in the modern times. However, its disadvantages cannot be overlooked too. Although their counts are not many, still they can have a long lasting impact.

If the radio wave used to carry the information makes contact with the body, the latter takes this wave as some sort of foreign invader. When such things happen, some physiological changes occur in our body. Cell membrane happens to become hard and flexible, which eventually leads to the loosening of cell permeability.

This permeability loss in turn greatly affects the general metabolism of the body, as the free radicals and toxins build up inside the cell, which in turn hampers the functioning of the mitochondria, the energy house of the body.

Furthermore, DNA of the cell also gets damaged and breaks into small micronuclei. These micronuclei is said to be the precursor of the cancer formation. Hence, the question of death becomes a probability.

Still, there is no need to worry, as various steps have been taken to nullify this problem. Since, the modern times will be dependent heavily on this technology, you should be assured of having a safer environment provided with it.

There are numerous advantages of WIMAX technology:

WIMAX would connect to the internet at a much faster speed, which is required in the modern times. Apart from this, you can use the internet facility for a much longer range up to ten miles, which is not possible through the current wireless technology.

The above two features clearly shows the potential of WIMAX. Hence, without any hint of hesitation, it can be said that this wireless technology is the new dawn in the field of wireless mobility.

In its operation, Wi-Fi is similar to the cell phone. It receives and sends signals along with data in the manner similar to mobile networks.

In case of Wi-Fi, first the computer or the Bluetooth device transmits radio signals to the wireless routers. The wireless router can either be Wireless Local Area Network or Wireless Access Point. The received signals are then sent to the internet via a cable modem, after which you can easily connect yourself to the internet.

Broadband Wi-Fi also works in the same manner. The only difference is that the bandwidth for the signal transmission has increased, which eventually has provided the wireless world with a new dimension of internet surfing.