This book traces the evolution of cybersecurity from early worms like Creeper to modern AI-driven threats. It categorizes attack types-including malware, social engineering, and nation-state espionage-while detailing historical milestones like Stuxnet and WannaCry. By analyzing the attack lifecycle and high-profile breaches, it bridges the gap between past lessons and future defense strategies, concluding with practical tools and modern frameworks like Zero Trust and data recovery.