What is Cybersecurity? The Complete 2026 Guide to Understanding Digital Protection
Cybersecurity is the practice of protecting systems, networks, devices, and data from digital attacks, unauthorized access, and criminal exploitation. As cyberattacks occur every 39 seconds and cost the global economy $10.5 trillion annually, understanding cybersecurity has evolved from a technical specialty to an essential literacy for everyone. This comprehensive guide breaks down everything you need to know—from fundamental concepts and the CIA triad to modern threats like AI-powered attacks and deepfakes—in clear, accessible language that empowers you to protect yourself and your organization in 2026's complex threat landscape.