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Sharing calendars can make it easier to collaborate with people both inside and outside your company. This demo shows you three ways that Outlook 2007 offers for sharing your calendar. If your company uses Microsoft Exchange Server, you can share your calendar within the organization by using that feature. You can also send a snapshot of your calendar in e-mail to people outside your company. And you can publish your calendar on the Microsoft Office Online Web site and restrict how much detail is shown and who can access it. Watch the demo to learn about a new way to collaborate.
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The Risk You Take When Using Free Wi-Fi
When you step
into Starbucks and pull out your laptop to innocently check your email or
facebook account you are probably unaware of he possible sidejacker sitting 3
tables down from you. As you update your status, he silently send's out a
massive virus to all of your friends & contacts. By the time you finish
your coffee, pack your belongings and head out to start your day, your friends
are all opening a virus that is attacking their harddrive.
This malicious act is called sidejacking and
Firesheep is a program that this person may use to gain access to your personal
accouts.
This is how it works:
Using a sidejacking program such as Firesheep the
sidejacker connects to a busy open Wi-Fi network. The program then notifies the
sidejacker when anyone on the network visits an insecure website (such as your
email or facebook account). The program then displays your name and photo to
the sidejacker. He simply clicks on your picture and is instantly logged in as
you. The sidejacker can then ‘silently take over your Facebook session, gain
access to all of your sensitive data and send viral messages and wall posts to
all of your friends.’
What is being done to
protect Wi-Fi users?
Zscaler (a security firm) released a program called
BlackSheep. BlackSheep is designed to notify you if someone who is logged into
the same Wi-Fi network is running the FireSheep program (it is not able to
notify you should anyone be using any other sidejacking programs).
Since most free public Wi-Fi hookups are unencrypted
(such as those offered at Starbucks, McDonalds, and many airports), users don’t
understand the risk that they run when logging on to those free sites and
accessing their personal data. Security advisors are recently urging Wi-Fi
locations to now encrypt their sessions to protect their user, which simply
requires a simple password to gain online access.
So, next time you are sitting in Starbucks drinking
your latte maybe it would be a good idea for you to mention this issue to the
workers and ask if they would consider encrypting their network.
Information for this
article was gathered from the following websites: