Is workplace surveillance legal in Canada?

This paper reports on the results of a research project into employer practices with respect to workplace privacy, funded by the Privacy Commissioner of Canada's Contributions Program. The paper discusses the variety of privacy invasive technologies used by Canadian Employers in order to survey and monitor their workers. It then discusses the legal basis for such workplace surveillance as perceived by the employers, and concludes with an assessment whether, and under what circumstances, such surveillance is lawful in Canada.