Cybercrime is a widespread issue in the globe today. Crimes including identity theft using computers and the internet, unauthorized imports, and harmful software. Cybercrime is simply any crime in which a computer is either the weapon or the victim. Cybersecurity is what we have to guard against this. Attacks using ransomware have become a common and profitable menace in today's digital environment. An extensive summary of ransomware attacks is given in this abstract, including information on how they have developed, how they affect people and businesses, and what countermeasures are being implemented in order to mitigate the threat. This article examines a case study of assaults and analyses the vulnerability or cause of the affected system primarily assaults using ransomware.