At its core, cybersecurity refers to the practices, technologies, and policies designed to protect computers, networks, and data from unauthorized access, misuse, or damage. You can think of it as installing locks, alarms, and security guards for your digital world. Just as we protect our homes and valuables in physical spaces, we must also safeguard our digital identities and information. Cybersecurity is built on three foundational principles, often called the CIA Triad: