The Concept Of Spying Or Keeping An Eye On Others In Religion
Please always share a proper reference when quoting a Hadith. Based on the scenarios you have mentioned, they do not have any moral issue in them because they are required to maintain good standard of services being provided to customers or to avert a major crisis in a work environment. What is discouraged or condemned in religion is keeping an eye on a person or on his personal life without any moral or justifiable reason.