As we move forward toward technology and digitization, we have witnessed a frequent rise in Cyber Attacks resulting in various data leaks. Cyber Attackers are capable of keeping their identity hidden and staying low while gaining access to the data. To avoid all this we require to carry a full-fledged analysis of different types of cyberattacks for the purpose of educating people and making them aware of different types of cyber-attacks that exist and secure their data. In this research paper, I will analyze the most famous cyber attacks in the history of cyber-security: WannaCry Ransomware, Nasa Cyber-attack, Estonia Cyber-Attack, Sony Pictures Cyber-attack, Melissa Virus Cyberattack, etc.