| Wireless computing gives us freedom of | | | | wireless network are at risk? |
| getting online without any restriction in | | | | |
| time and space. Now you can take your laptop | | | | - From peoples who listening transmitted |
| and get connection to the Internet wherever | | | | information - eavesdroppers. |
| is offered wireless service. It can be a | | | | |
| library, café or even beach. You can also | | | | - From anyone in the range who can connect to |
| purchase a wireless base station, called a | | | | your network - hackers. |
| router, for your home so you can get online | | | | |
| anywhere in the house or in the immediate | | | | - From unauthorized users who use your |
| vicinity outdoors. But from information | | | | broadband internet connection without your |
| security awareness side, you need to do some | | | | permission.What can protect your wireless |
| thing to employ these options safe.What is | | | | connection? |
| Wireless network and how it's work?Wireless | | | | |
| (Wi-Fi) or 802.11 networks is a method of | | | | - Encryption - use encryption to scramble |
| connecting a computer to other computers or | | | | over the network. Better use Wi-Fi Protected |
| to the Internet without linking them by | | | | Access (WPA), than Wired Equivalent Privacy |
| cables. This network uses radio waves, just | | | | (WEP), because it is stronger. |
| like cell phones and radios do. This | | | | |
| communication, across wireless network, is | | | | - Anti-virus and anti-spyware software and a |
| similar two-way radio communication. 1. | | | | firewall - these things should be on every |
| Routers collect the signal and decode, and | | | | computer independent wireless network using |
| then send information to the Internet using a | | | | or not. |
| physical, wired Ethernet connection. 2. | | | | |
| Wireless adapter on your laptop translate | | | | - Caution - turn off your wireless network |
| data into radio signal and transmit it using | | | | when you know you won't use it and also turn |
| antenna.3. And vice versa… ( Why | | | | off identifier broadcasting on your wireless |
| this kind connection is so unsafe?Because | | | | router. So your computer won't send a signal |
| these transmissions occur in one frequency | | | | to any device in the vicinity announcing its |
| and mostly they don't have protection against | | | | presence.Limitation - allow only specific |
| unauthorized access. So, that's means that | | | | computers to access your wireless network and |
| anyone in range can pick up the signal or | | | | modify your router's pre-set password for |
| transmit on the same time. From what | | | | administration to something only you know. |