Description: Operating system security refers to the measures and practices implemented to protect an operating system from threats and vulnerabilities. This includes protection against unauthorized access, malware, and cyberattacks, as well as ensuring the integrity and confidentiality of data. A secure operating system must have robust authentication mechanisms, access control, and regular updates to mitigate risks. Additionally, operating system security involves the implementation of security policies, audits, and continuous monitoring to detect and respond to security incidents. The importance of operating system security lies in the fact that it is the foundation upon which applications run and critical data is managed, making it an attractive target for attackers. A compromised operating system can lead to data loss, service interruptions, and damage to an organization’s reputation. Therefore, operating system security is an essential component of overall cybersecurity, and its proper implementation is vital to protect both individual users and organizations across various industries.