What is cybersecurity? Cybersecurity is the art of protecting networks, devices, and data from unauthorized access or criminal use and the practice of ensuring confidentiality, integrity, and availability of information., Cyberspace is particularly difficult to secure due to a number of factors: the ability of malicious actors to operate from anywhere in the world, the linkages between cyberspace and physical systems, and the difficulty of reducing vulnerabilities and consequences in complex cyber networks., What is cybersecurity all about? Cybersecurity is the practice of protecting systems, networks, and programs from digital attacks. These cyberattacks are usually aimed at accessing, changing, or destroying sensitive information; extorting money from users through ransomware; or interrupting normal business processes., Cybersecurity is the practice of protecting internet-connected systems such as hardware, software and data from cyberthreats. It's used by individuals and enterprises to protect against unauthorized access to data centers and other computerized systems., W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more., Cybersecurity Definition. Cybersecurity is the act of defending digital assets, including networks, systems, computers, and data from cyberattacks. Also known as information technology security (IT security), it protects against threats that aim to access or destroy sensitive information, exhort money from users, or interrupt normal business practices..