The practice of cyber security threats preventing illegal access, cyberattacks, theft, and damage to computer systems, networks, and data is known as cybersecurity. It includes a range of tools, procedures, technologies, and practices intended to protect data and guarantee the privacy, availability, and integrity of digital assets. The goal of cybersecurity is to reduce the risks brought on by ransomware, phishing, malware, hacking, and other cyberthreats in addition to unintentional data breaches and system flaws. Access control, encryption, firewalls, intrusion detection systems, incident response, and user security awareness training are essential elements of cybersecurity.