This report provides an executive summary and analysis of ransomware attacks, focusing on their working mechanisms and current scenarios. It identifies WannaCry and Cryptojacking as prevalent forms of ransomware, highlighting their impact on computer networks and data security. The report explores the methods used by criminals to perform malicious activities and proposes prevention techniques such as implementing security policies, employee training, firewall tools, and encryption. It covers various types of ransomware, including Locky, Cerber, and NotPetya, and discusses the impact of these attacks on businesses and organizations. The report also addresses the rise of Cryptojacking and the importance of using authentic networks and backup plans to mitigate risks. It concludes by emphasizing the need for comprehensive security measures to protect against ransomware threats.