It's a breach of ethics.

Meaning

It violates ethical standards or principles.

Examples

• John: This decision is deeply troubling. <b>It's a breach of ethics</b>.
• Alice: I agree. It sets a bad precedent.
• John: We need to address this immediately. We can't ignore that <b>it's a breach of ethics</b>.
• Alice: Absolutely. Let's discuss how to rectify the situation.