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Secure Wireless Network
Wireless LANs are now quite popular and widespread
in Hong Kong. Hotspots can be found in shopping
malls, convenience stores, and public places.
But if a wireless network is not properly deployed,
users can be exposed to critical security flaws.
Using a public wireless
network
If you are using public wireless network to access
the Internet, you should know how to setup
your computer properly, in particular you
have to:
Secure your own wireless
network
A mobile device can connect to your wireless
network wherever it is within range of the signal
strength from your wireless router. This also
means that other people may be able to access
your wireless network so personal data security
is important.
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Data tapping. Encrypt or password protect
your own data when you are sending sensitive
or personal information via the wireless network.
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Unathorised wireless network access. Take
measures to prevent unauthorised users or
intruders from using your wireless network
by:
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establishing a list of computers which
are allowed to use your wireless network.
Wireless routers are usually able to establish
a list of MAC addresses that can use the
wireless network. A MAC address is a unique
serial number of the wireless LAN card
install in each computer. Computers with
wireless cards that are not registered
with your wireless router will not be
able to use your signal, and/or
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Use a secure password key for your wireless
network. Other people cannot use your
wireless network without knowing the key,
and/or
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Hide the Service Set Identifier (SSID)
of your wireless network from being broadcast.
All devices attempting to connect to a
specific wireless network must use the
same SSID. Other people cannot use your
wireless network without knowing the SSID
name.
Click here
to learn more about securing your wireless network.
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