Skype Beta Plugs IP Resolver Privacy Leak
Summary: A new beta of Skype for Windows (6.5) and Mac (6.4), released April 30, adds an option under Options->Connection that restricts direct connections to contacts only, so the IP address of a user is hidden from non-contacts. Krebs tested the beta against a free Skype resolver service: an older client exposed his home IP, while a new account on the beta with the feature enabled could not be located, though resolvers may still return cached results.
What's compelling: The feature is opt-in, so anyone who does not enable it remains resolvable by services that pair IP lookups with booter and stresser tools used to launch denial-of-service attacks against a chosen target.
Read the original at Krebs on Security ↗
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