The report says Microsoft and Oracle received at least 25% to 30% of government sales over the last decade through less than fully competitive procurements.

The tech giant wants until Sept. 30 to address Paul Cimino's allegations.

Bayne Brown says the agency's vendor management team needs better insight into what other groups are working on.

A former IBM salesman says the company used a false audit to pressure IRS into a $265 million software license agreement.