Ransomware has emerged as one of the most pervasive and destructive cyber threats facing organizations and individuals worldwide. With the ability to encrypt files and demand ransom payments for their decryption, ransomware attacks can cripple businesses, disrupt critical services, and cause significant financial and reputational damage. In this article, we delve into the five most dangerous forms of ransomware, shedding light on their capabilities, impact, and the measures organizations can take to defend against them. WannaCry WannaCry gained notoriety in May 2017 when it spread rapidly across the globe, infecting hundreds of thousands of computers in over 150 countries. Exploiting a vulnerability in Microsoft Windows, WannaCry