If you get an invitation to sign up for the Halo 4 beta, don’t fall for it. The site associated with the invites, Halo4beat.net (pictured), is a fake. Halo 4 is one of the most anticipated games of 2012 and it is expected to launch in the holidays. Spots in the beta test are likely to be coveted. Microsoft has filed a complaint with the National Arbitration Forum to have the site permanently shut down and its domain name taken. David Ellis, creative director of Microsoft’s 343 Industries,...