We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
Dude, just don't accept any suspicious downloads and perhaps restart your router (if you have a dynamic IP Address) then these losers will be a thing of the past. A lot of these people are all bluff anyway. Keep on playing dude.
The first course of action you should take if you are being harassed over Xbox Live is to file a complaint on the user(s) involved. This can be done via their gamercard, along with the option to submit a player review and avoid the person. If you're not
sure how to file a complaint: simply hit the dashboard button, select "friends", scroll to the far right to "recent players", and select the player(s) you want to file complaints against.
If they threatened to attack your internet, it is highly unlikely that they will do so. If you find yourself being disconnected from the internet, however, you should contact your ISP and let them know that someone has DDoSed you. This can normally be stopped
by disconnecting your router/modem and Xbox for 5-10 minutes. Here's more information on DoS attacks: