Top 10 Biggest Cyber Attacks in History & its Impact (Updated 2024)

Cyberattacks have existed for the longest time, ever since the existence of the internet. As time goes by, cybercriminals have been becoming more and more efficient when it comes to hacking servers, extracting sensitive information and injecting malicious codes. In this article, we are going to learn about the Top 10 Biggest Cyber Attacks in History & its Impact. Also read: Top 10 Highest Paid Actresses in the World: Unveiling Their Wealth and Influence List of Top 10 Biggest Cyber Attacks in World History:- RankAttack NameDescriptionImpact1Marriott Hotel Data BreachHackers stole personal information of 500 million guests over several years.Exposed sensitive data, financial loss2WannaCry& & RansomwareGlobal& & ransomware attack& infected millions of computers, demanding ransom payments.Disrupted businesses, financial losses3Ukraine Power Grid AttackHackers infiltrated the power grid, causing widespread power outages for thousands.Critical infrastructure compromised, economic disruption42014 Yahoo AttackHackers compromised user accounts, stealing personal information of 500 million users.Large-scale data breach, privacy violations5Adobe Cyber AttackHackers stole user data and source code from Adobe, a major software company.Data breach, financial losses, reputational damage6The PlayStation Network AttackHackers breached Sony’s PlayStation Network, compromising user data and disrupting services.Financial losses, reputational damage, user inconvenience7Estonia Cyber AttackDenial-of-service attack targeted government websites, causing disruption and economic losses.Disrupted critical...