Introduction to Information Security: Threats and Defenses

This lecture covers the importance of securing the digital world, as more business transactions and sensitive information are handled online. It discusses the fundamental principles of cybersecurity, emphasizing the constant battle between attack mechanisms and defense strategies. The lecture explores the objectives and nature of threats to information systems, including data theft, manipulation, destruction, and identity theft. It also delves into the sources of threats, such as environmental disasters and human factors like errors and social engineering. The presentation highlights the significant financial impact of cybercrime and the essential measures for protecting information integrity, confidentiality, and availability. Ultimately, the goal is to empower users and administrators with the knowledge and tools to safeguard against cyber threats.