A researcher from New York University (NYU) will present findings in Berlin next week asserting that Skype may allow strangers access to users' contact details. "If you have Skype running in your laptop, then I or any other attacker can inconspicuously call you, obtain your current IP address and your current location without you ever knowing about it," says NYU's Keith Ross, a professor of computer science. A high school-aged hacker would be capable of such an act, Ross says, adding that the hacker could scale the operation to track thousands of users. Skype's chief information security officer says determining other users' IP addresses is possible with typical Internet communications software, not just Skype's.
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