Many companies go for wireless networks because they want to save costs by avoiding wired equipment and to provide more convenience to their employees. These wireless networks make PCs even more portable by making them more productive anytime and anywhere. If your laptop has wireless connectivity and you use it to access public networks in airports, libraries, coffee houses, etc. there may be risks that you could be taking while doing so. Because you are sharing the network at hotspots, you have a greater chance of someone accessing your computer information or sending a virus to your computer. Therfore, there are many precautions that should be taken before accessing these shared networks.
In order to provide network protection over public wireless networks, make sure your computer has a hardware firewall. Also, use public Wi-Fi for simple internet browsing only rather than for banking or to transmit credit card information. Don't use public networks to log in to anything personal, including Webmail because hackers are well aware that most people use the same passwords across everything from email to bank accounts. Other users in the same hotspot may be able to grab and read your unencrypted messages right out of the airwaves so it is important to take these precautions as well as to avoid unsafe networks. Before joining a public network, look around for signs that advertise the name of the Wi-Fi network provided to make sure it is safe.
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