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Investing In The Future: Why The Medical Field Should Invest In Wireless Networks

1073 words - 5 pages

Protection of Wireless Networks
Setting security policy is important for a wireless network. Improvements in the security of wireless technology will guarantee its continued safe use, and system administrators’ duties are to take measures against unauthorized access. A media access control address (MAC address) is an identity number assigned to each network device. Most Wi-Fi access points and routers come with a function called MAC address filtering, which is a common way to improve the security of Wi-Fi access points. Without MAC address filtering, any wireless user can attempt to join wireless networks if they know the network name and security password. When MAC address filtering is enabled, system administrators must input a list of MAC addresses that will be allowed to join the wireless network. If attackers attempt to join the wireless network, MAC address filtering will deny any access to the network. Encryption is a common measure against illegal interception and user authentication is also useful to control unauthorized access. If system administrators upgrade their wireless access point software with third party version or their private version, they should allow for adjusting the output power of wireless access points. For example, if a wireless user connects his/her phone to a wireless access point in a private patient room, a system administrator can easily dial the power down to limit the wireless signal to only travel in a private patient room. Similarly, if a wireless access point connects to a public network, it can easily dial the power up to 200-300 meters away to share wireless access. System administrators should also set up a virtual local area network (VLAN) that is a virtual network and allows communication with other computer on the same private environment, so secure guest VLAN allows visitor to connect to the network while keeping the hospital network and data secure and separate. System administrators should change the wireless access point administrator’s password monthly and install security cameras to monitor hospital buildings for suspicious activities. Education on the need for wireless network protection is very important because most wireless users are not aware of the risks. Training courses, informational posters and weekly reminder emails about privacy and security can help to keep hospital networks secure. These can be useful security measures that protect the wireless system. Because of this development companies and hospitals can be safe to use wireless networks.
Wireless Network Future Trends
As computing technology efficiently develops, wireless access points will be cheaper, and wireless security will be stronger. According to the Wi-Fi Alliance, about 200 million households use Wi-Fi networks, and there are about 750,000 Wi-Fi hotspots worldwide [10]. Wi-Fi is used by over 700 million people and there are about 800 million new Wi-Fi devices every year. Cisco has shipped over 11 million access points...

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