Chapter 3 examines how cybersecurity and information warfare are transforming modern conflicts and global political stability. The chapter explains that cyberattacks, digital espionage, and disinformation campaigns have become strategic tools used by states, criminal organizations, and terrorist groups to weaken adversaries without conventional military force. Technological advances, particularly artificial intelligence and machine learning have increased the sophistication and difficulty of detecting these threats. Cyberattacks increasingly target critical infrastructure such as power grids, transportation systems, financial institutions, and hospitals. Incidents like the Colonial Pipeline attack cyberattacks on Ukraine’s power grid, and the global impact of the NotPetya virus illustrate how digital attacks can disrupt entire economies. Cyberwarfare also includes sabotage of military and nuclear programs, electoral interference, and ransomware operations that finance illicit activities. The chapter highlights the growing influence of disinformation, particularly through social media and deepfakes technology. False narratives can manipulate elections, destabilize societies, influence financial markets, and fuel political or health-related misinformation. Digital espionage further threatens national security and economic competitiveness through intellectual property theft, surveillance technologies, and attacks on government systems. To counter these risks, states and organizations are strengthening cybersecurity strategies through international cooperation, legislative frameworks, advanced technological defenses, and public awareness campaigns. The chapter concludes that cyberspace will remain a central battlefield in future conflicts, requiring constant innovation and collaboration.