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