Integration Monitor across divisions security

Our company is using multiple Enterprise servers (5.0.1.) in a Territory. Each ES is dedicated to a business unit (eg. Individual Insurance, Wealth Management, Group Life & Health, etc…). We plan on using Integration Monitor to view/correct/resubmit documents logged by the Enterprise logger adapter.

Is anyone else using Integration Monitor across multiple business units in a company ? How do you prevent business units viewing/correcting/resubmitting documents belonging to other business units ?
We are thinking of setting up separate views on the webMethods logging tables. Database id’s would then be setup with access to these views. The id’s would be used to log into Integration monitor.

Any other thoughts/ideas ?