Just under one-third of corporate executives participating in a recent survey are highly confident that their companies' employees will report unethical behavior.

The report, titled “Global Ethics and Compliance in Uncertain Times: Leveling the Playing Field,” is from consultancy giant Deloitte and reflects the responses of more than 930 C-suite and other executives who participated in the survey during a Deloitte webcast in May.

The No. 1 reason executives believe that, despite regulations, employees struggle with ethics and compliance? The inconsistency of clear, concise and frequent ethics program communications and training for all employees.