This paper provides a comprehensive analysis of the WannaCry ransomware attack, examining its nature, impact, and technical workings. It explores the attack's origins, its global impact on organizations, and the specific vulnerabilities exploited. The paper also delves into the technical aspects of the attack, including the encryption process and the attacker's methods. Finally, it discusses the perspectives of both the attacker and the organization that could be attacked, highlighting the importance of cybersecurity measures to prevent such attacks.