Cybersecurity is the practice of protecting networks, systems, hardware and data from digital attacks. It is the application of technologies, processes, and controls to protect systems, networks, programs, devices and data from cyber attacks and the body of technologies, processes, and practices designed to protect networks, computers, and data from attack, damage, and unauthorized access. Programs in cybersecurity teach professionals to spot vulnerabilities, fend off attacks, and immediately respond to emergencies.It aims to reduce the risk of cyber attacks and protect against the unauthorised exploitation of systems, networks, and technologies. Cyersecurity is crucial because it safeguards all types of data against theft and loss.