Plus, many of these phrases can be used to avoid incriminating yourself. "I'm uncomfortable using the very sensitive and highly confidential information in thi

Plus, many of these phrases can be used to avoid incriminating yourself. "I'm uncomfortable using the very sensitive and highly confidential information in this manner, and therefore refuse to do so." That's probably incriminating for the company, but if they're asking you to break the law or be unethical you need to demonstrate your disagreement lest you be brought down with them. Plus, that does what InclinedPlane says about actually trying to fix problems in advance.