Xbox engineer Bill Ridmann recently confirmed that Microsoft is working in the background on improving security for Xbox Party Chat. Xbox is working on security improvements following consistent reports of denial-of-service attacks being raised by players. Traditionally, Party Chat operated using peer-to-peer connections that left IP addresses vulnerable.

Ridmann announced that Microsoft was working to solve the issue in response to a thread on Reddit, where he stated that the Xbox team knew that was a problem. 
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