OnLine Fax - Security of Premises

Security of Premises: The premises of your off site Online Fax solutions provider should also be considered. Your data transmission and storage equipment may be secured but how do you know who may have access to the vendor facilities? What is the risk factor there? Is the facility guarded by a qualified security guard? What hours is the guard on duty? Is there video monitoring of the facility? Is the video monitored live, for immediate response? What kind of after hours access is there to the building; to the servers?