Stories by Elizabeth Montalbano and Robert McMillan

IBM withdraws SCO patent infringement claims

IBM is no longer using its massive patent portfolio to defend itself against The SCO Group in the companies' two year-old legal dispute, according to court documents filed last week in a U.S. District Court.

Hack cracks Microsoft anti-piracy check

Microsoft acknowledged Friday that hackers were able to bypass a process implemented earlier in the week to ensure users of Microsoft's update services had legitimate copies of Windows before downloading updates and content from those services.