How has cybersecurity evolved in response to changing technology and threats? This book explores the history and development of cybersecurity from the early days of the internet to the complex systems that protect modern digital infrastructures. It discusses the key events that have shaped cybersecurity, such as major viruses, the rise of hacking, and significant data breaches. The narrative examines the technological advancements in encryption, firewall protection, and intrusion detection systems. It also addresses the ongoing challenges posed by cyber threats in an increasingly connected world, including the impact of cybersecurity on personal privacy, business operations, and national security. Through detailed analysis, the book provides insights into the dynamic field of cybersecurity and its critical role in safeguarding information in the digital age.