Click here to see the University of Arizona's electronic privacy policy:
Here is the bottom line, quoted from the above Policy:
"University-owned or -controlled computers and equipment are public property and may be examined by authorized individuals to detect improper, illegal, or non-governmental use; to evaluate the security of the network; or for other governmental purposes. Please be aware that any information placed or stored in a University-owned or -provided computer is subject to review by the University at any time."