Cyber Risks · Krebs on Security

Skype Now Hides Your Internet Address

Summary: Microsoft's Skype v. 7.0.18.109 hides users' IP addresses by default, closing a long-abused path where anyone who knew a Skype ID could resolve it to an Internet address regardless of the target's privacy settings. The change touches Skype's core peer-to-peer component, which previously had to share every user's IP across the network so users could connect directly, and Microsoft has not said what tweaks achieved the fix or whether it will hold.

Why it matters: Skype resolvers were sold alongside booter and stresser services used to knock targets offline, most often online gamers, and a 2013 beta fix was quickly worked around by booter operators - so the question is whether this default holds or becomes another bypass.

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