Do not look at or for anything you do not have permission to:
The users with the organization’s highest and most powerful privileges are also the most likely to use their access to snoop around the network for confidential information.
A new survey from Cyber-Ark Software found that 28 percent of IT managers in North America have snooped, and 44 percent of those in Europe, the Middle East, and Africa have done so, too. Around 20 percent of respondents in North America and 31 percent in EMEA say one or more of their co-workers have used administrative privileges to reach confidential or sensitive information.
This is specifically against the SAGE Code of Ethics:
Privacy
* I will access private information on computer systems only when it is necessary in the course of my technical duties. I will maintain and protect the confidentiality of any information to which I may have access, regardless of the method by which I came into knowledge of it.