Abu Hurairah reported the Messenger of Allah ﷺ as saying: Avoid suspicion for suspicion is the most lying form of talk. Do not be inquisitive about one another, or spy on one another.
Hadith ReferenceSunan Abi Dawud / General Behavior (Kitab Al-Adab) / Hadith: 4917
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري (6066) صحيح مسلم (2563)