<\/span><\/h2>\nThe biggest ransomware attacks in the U.S. have shown just how far-reaching these threats can be. Whether it\u2019s millions of patients unable to access care, thousands of dealerships unable to serve customers, or fuel shortages impacting an entire region, the damage extends well beyond the affected company.<\/p>\n
For businesses, the lesson is clear: ransomware is not a distant risk\u2014it\u2019s a present and ongoing challenge. By strengthening defenses, preparing for incident response<\/a><\/strong>, and working with trusted security partners, enterprises can avoid becoming the next case study.<\/p>\n<\/span>FAQs<\/span><\/h2>\n<\/span>1. What is the biggest cyber attack in the US?<\/span><\/span><\/h3>\nThe Change Healthcare ransomware attack in 2024 is considered the biggest, impacting over 190 million individuals and costing billions in recovery.<\/p>\n
<\/span>2. What is the latest ransomware in 2025?<\/span><\/span><\/h3>\nIn 2025, U.S. enterprises continue to report attacks from groups like LockBit, BlackCat\/ALPHV, and Clop, though healthcare and service sectors remain the most targeted.<\/p>\n
<\/span>3. What is the biggest Trojan attack in history?<\/span><\/span><\/h3>\nThe Zeus Trojan, first discovered in 2007, is one of the biggest ever\u2014used to steal banking credentials and infect millions of computers worldwide.<\/p>\n
<\/span>4. What company has fallen victim to a ransomware attack?<\/span><\/span><\/h3>\nSeveral major U.S. companies have been hit, including Colonial Pipeline, MGM Resorts, JBS Foods, Change Healthcare, and CDK Global.
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