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skype in organisation

gabiff
gabiff asked
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what's are the big risks of Skype in organisation?
what are some of the methods to bypass Skype elimination which is functioning in organisation?
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Commented:
I found a proper article on the net for you explaining the risks involved with having Skype, risks covered are vulnerability to your network and confidential documents / info.

http://www.securelist.com/en/analysis/204791933/Skype_and_Corporate_Network_Security

HTH

Author

Commented:
how can we reduce the risk of skype? only by disabling the super node function?
Commented:
What we did is fairly easy. We have an "in-line" physical device (Palo Alto) that picks up all traffic passing through and setup the required rules. This device actually made live very simple as it is advanced enough to restrict access to "farm ville" while allowing "Face book" for an example.
http://www.paloaltonetworks.com/index.php
It sounds like a quick fix, but if you are concerned enough about security to question Skype, then it might be worth while looking into.

HTH
Pieter JordaanSenior Systems Administrator - Web hosting and Network Security.
Commented:
Hi

The biggest problem I have with skype on my network, is the amount of connections it makes to each of the friends in your list.
If 100 people run skype, and they each have 10 friends, you will have 1000 outgoing connections every few seconds, even when people are not using it, it will still connect to check their statuses. It also connects to IP addresses, not URLs, so you can not proxy it.

This causes lots of problems if you try to control what people access at the office.

I am moving everyone to Google talk, which is a client - server application, so 100 users will have 100 connections to a single server.
This makes things much more manageable.

BitFreeze

Author

Commented:
if the super-node is disabled in Skype in the organisation , will it cause any difficulties in Skype operation?

Commented:
Hi,

Sorry for delayed response. As far as I know there could be an operational side effect like slow transfers of files. Here is a link to the Skype security blog: http://blogs.skype.com/security/
And here is a link to Skype that contains info on the "super-node" security if you are interested: http://www.skype.com/intl/en-us/security/universities/
CERTIFIED EXPERT

Commented:
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