Obama's passport file breached

(CNN) - The State Department has confirmed a breach on Sen. Barack Obama's passport file, his campaign told CNN.

"This is an outrageous breach of security and privacy, even from an administration that has shown little regard for either over the last eight years," said Obama campaign spokesman Bill Burton in a statement. "Our government's duty is to protect the private information of the American people, not use it for political purposes."

The campaign called for "a complete investigation" to find out who looked at Obama's passport file and why.