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You should never conduct unsecured transactions
that include any account or password information over public
hotspots using FTP, email, or the Web. Try to use SSL for email
(POP and SMTP), or read your email with a Web browser using an
SSL connection. Ask your ISP if they offer SSL secure web-based
email.
Here's what the Wi-Fi Alliance says:
Wireless networks in public areas and "HotSpots" like
Internet cafes may not provide any security. Although some service
providers do provide this with their custom software, many HotSpots
leave all security turned off to make it easier to access and
get on the network in the first place. If security is important
to you the best way to achieve this when you are connecting back
to your office is to use a VPN (Virtual Private Network). If
you do not have access to a VPN and security is important, you
may want to limit your wireless network use in these areas to
non-critical e-mail and basic Internet surfing.
Here's more info from the NewburyOpen.net security
page:
Wireless transmissions, by their nature, can be
intercepted very easily. Our wireless network was designed for
ease of use, and thus is not encrypted or password protected.
You have the responsibility to make sure that your data is kept
secure and that you use secure protocols for any sensitive material.
We take no responsibility for any information that is compromised
by the use of our network. Also, make sure that your computer
does not have file sharing active ( for Windows - click on network
settings in the Control Panel, then find and uncheck file and
print sharing). Other users on the network may be able to access
your files if you do.
In addition, it would be wise to use some kind
of personal firewall to further protect against someone at the
next table from accessing your files.
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