The increasing prevalence of cyber threats necessitates the exploration of cybersecurity challenges in sustainable operating systems. This research paper addresses these challenges by examining the dynamic landscape of cyber threats and the modifications required in operating systems to ensure robust security measures. Through the classification of these threats, the diverse nature of attacks faced by operating systems is revealed, highlighting the need for proactive security measures. Furthermore, the study investigates current cyber security solutions and prevention mechanisms employed to mitigate these threats. It also explores the modifications and challenges that operating systems must undergo in response to cybersecurity crimes, emphasizing the significance of proactive measures to address vulnerabilities exploited by cybercriminals.