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Hacked Skype IP Address Search Shows Who's Speaking From Where

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  • by Ziekheid (1427027) on Tuesday May 01, 2012 @01:25PM (#39859141)

    Is it me or did the person who wrote the summary of this article accidentally include his IP when linking to the portal page?

  • by cryptizard (2629853) on Tuesday May 01, 2012 @01:38PM (#39859323) Homepage
    I saw this presented about a year ago at a security talk. If I recall correctly they were getting IP addresses by initiating a call but then terminating it before some threshold where the other party was actually notified, so it was invisible to the people they were tracking. The cooler part in my opinion was how they showed that something like 80% of people could be located on Skype (in the directory) based on information in their Facebook or LinkedIn profiles, allowing for targeted tracking of people. They also had some more advanced geo IP stuff to the point where they could get really good location results. The example they had was a woman in Florida where they could track her whole week's routine i.e. at work at 9:00, home by 5:00, where she goes to lunch, when she is visiting her grandmother in the next town. It is especially effective against people who are logged into Skype on their smart phones. Arguably the even cooler part was where they showed that they could track the entire population of a small country with something like $20,000 in computer hardware. As obvious as the nefarious applications of this are, it could also be pretty useful for tracking large scale movement for stuff like city planning.
  • There is a solution (Score:5, Interesting)

    by Technician (215283) on Tuesday May 01, 2012 @08:14PM (#39863413)

    If you must hide your IP address, you can use one of many Skype/Sip gateways. SIP to SIP to the gateway then Skype to Skype from the gateway. Since Skype does not work well in Linus, I use SIP instead. SIP is P-P too, a SIP call will reveal my IP to a SIP caller. A Skype caller will only see the gateway.

    There are several gateways. IPPI.fr is only a representative example.

    You can Skype me in France anytime. I have never been to France.

    http://www.ippi.com/ [ippi.com]

    I don't use this to hide my IP address. I use it with an ATA so calls ring my phone, even when I'm not online. With their speed dialer, I can make Skype calls without turning on the computer.

    I can be called by Google Voice, an INUM number, SIP, Skype, or IPKall number and any will ring my SIP phone, provide voice mail, caller ID, etc.

    Analog Telephone Adapter (ATA) http://www.voip-info.org/wiki/view/Linksys+PAP2T [voip-info.org]

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