Yesterday, Posted by forahobby from Hq.Com says (in Latest Xbox LIVE Ban Wave - More Bans Today) Consoles can be suspended from Xbox LIVE for a number of reasons including, but not limited to:
How do you detect modified consoles?
My console has been suspended. Does that mean my Xbox LIVE account will be suspended as well?
360-Hq Forum Thread: Xbox Live Bannings!

This Week, Marcus Lai from newsonablog (Feedburner) says (in Wii safer than Xbox 360 in holiday war) Nintendo Co.’s Wii has faltered in the first half due to lack of top game titles, however the company is likely to sustain the holiday battle better than rival Microsoft Corp.’s Xbox 360 in game lineup and consumer appeal. Nintendo began the holiday game wars with the release of Wii Sports Res...

And Marcus Lai from newsonablog (Feedburner) says (in Trio of Xbox 360 titles rank in Japan top 25) A trio of game titles for Microsoft Corp.’s Xbox 360 ranked in the top 25 games sales in Japan in the latest retail data.

Microsoft in Oct. released a new Xbox 360 Elite bundle to Japan.

Follow Punch Jump on Twitter for breaking video game news.

And XanTium from Xbox-Scene says (in Major Nelson Talks about Latest LIVE Ban Wave - More Bans Today) As you may have read online, we've been actively banning consoles from Xbox LIVE that have been modified to play pirated games. Our commitment to combat piracy and support safer and more secure gameplay for the more than 20 million members of our Xbox LIVE community remains a top priority. A...

And Mike Fahey from Kotaku says (in Major Nelson Weighs In On 360 Console Bans [Banhammer]) This would also be a good time to remind you that the warranty on an Xbox 360 console is not transferrable and if you purchase a used console that has been previously banned, you will not be able to connect to Xbox LIVE.

Xbox 360 Console Bans [Major Nelson]