More Skype exposed

I found recently a very interesting article about P2P networks and Skype. This comes as a completion of the other article

about Skype exposed posted here in June: Here is a permalink

It is written by some guys from Cornell and Google. Here is the article.
The most interesting thing is (copied included links):

“Garfinkel [11], concludes that Skype is related to KaZaA; both the companies were founded by the same individuals, there is an overlap of technical staff, and that much of the technology in Skype was originally developed for KaZaA. Network packet level analysis of KaZaA [16] and of Skype [1] support this claim by uncovering striking similarities in their connection setup, and their use of a “supernode”-based hierarchical peer-to-peer network.”

Heheh, I wonder what will happen if someone wants to exchange a file with multiple users, for example in a conference. 🙂

They close the article with this:

” Altogether, we find that Skype users appear to behave differently from file-sharing users as well as traditional telephone users.”

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About the Author

Sorin Mustaca
Sorin Mustaca, (ISC)2 CSSLP, CompTIA Security+ and Project+, is working since over 20 years in the IT Security industry and worked between 2003-2014 for Avira as Product Manager for the known products used by over 100 million users world-wide. Today he is CEO and owner of Endpoint Cybersecurity GmbH focusing on Cybersecurity, secure software development and security for IoT and Automotive. He is also running his personal blog Sorin Mustaca on Cybersecurity and is the author of the free eBook Improve your security .
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