This essay discusses the four principle ethical theories of computer ethics and analyses the article 'Students and sensors: data, education, privacy, and research' in the light of these theories. The four theories are utilitarianism, deontology, social contract and virtue theories. The article is about the collection and analysis of student data at a University in Arizona, through student ID cards. The essay concludes that computer ethics is an integral part of the management and operations of computer technology and related systems and disciplines.