Microsoft is expected to post a 9% increase in fiscal fourth-quarter profit, but investors may be distracted by evidence of flickering PC sales.

Microsoft is making its biggest move into the world of cloud computing this week as it takes the wraps off a online version of its Office software.

More than one million website pages have been hit by a attack that injects code into sites that redirect users to a fraudulent software operation.

Microsoft plans to get its Natal body-gesturing gaming system into stores in time for this year’s holiday shopping season.