When using a wireless device, which of the following BEST ensures confidential access to email via web mail?

During business process reengineering (BPR) of a bank's teller activities, an IS auditor should evaluate:

An organization's IT security policy states that user ID's must uniquely identify individual's and that user should not disclose their passwords. An IS auditor discovers that several generic user ID's are being used.
Which of the following is the MOST appropriate course of action for the auditor?

A vulnerability in which of the following virtual systems would be of GREATEST concern to the IS auditor?

Which of the following is the MOST important operational aspect for an IS auditor to consider when assessing an assembly line with quality control sensors accessible via wireless techno