This book discusses human reliability programs (HRPs) and their various elements, including safety and security case studies. The topics covered include significance and vulnerability aspects of human reliability and sustainable HRP, including case studies and lessons learned, methodologies used for human reliability analysis, and good practices of HRPs from various industries. Human reliability is widely used in fields requiring high standards of safety, such as the aviation, petroleum and chemical process, and nuclear industries. The book showcases contributions on the topic from experts in the field of technology, design, aviation, and nuclear industries. The book can be a valuable reference for researchers and professionals interested in HRP to ensure safety and security in industries.