Most executives (56 percent) report that workplace ethics have gotten worse over the past five years, according to a recent survey conducted by, an online career services center for executives and recruiters.

Many executives plan to be more cautious when evaluating new job opportunities. In response to the recent scandals, 69 percent say they will review the financial statements of potential employers more closely, and 62 percent will investigate a prospective employer's culture and value system more thoroughly.

The survey also revealed that close to 40 percent of executives interviewed have left a past job or company because of unethical business practices. But 75 percent said they left without exposing the unscrupulous behavior.