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Hackers Can Silently Grab Your IP Through Skype. Microsoft Is In No Rush to Fix It
(www.404media.co)
This is a most excellent place for technology news and articles.
When Skype was still in common use, this was a very known issue. I’m in lots of gaming communities, and you had to be careful about who knew your username because you could have your IP exposed then get DDoS.
Possibly they patched it and this is a new instance of this, but it was like this for years and years before.