Biggest data breaches in the U.S. 2025, by impact
- statista.com
Updated Jul 7, 2025
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EmailClick to copy linkLink copiedCiteStatista (2025). Biggest data breaches in the U.S. 2025, by impact [Dataset]. https://www.statista.com/statistics/1448545/us-biggest-data-breaches/Dataset updatedJul 7, 2025Time period coveredJun 2025Area coveredUnited StatesDescriptionAs of June 2025, the most significant data breach incident in the United States was the Yahoo data breach that dates back to 2013-2016. Impacting over three billion online users, this incident still remains one of the most significant data breaches worldwide. The second-biggest case was the January 2021 data breach at Microsoft, involving about 30 thousand companies in the United States and around 60 thousand companies around the world.
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FacebookTwitterEmailAs of June 2025, the most significant data breach incident in the United States was the Yahoo data breach that dates back to 2013-2016. Impacting over three billion online users, this incident still remains one of the most significant data breaches worldwide. The second-biggest case was the January 2021 data breach at Microsoft, involving about 30 thousand companies in the United States and around 60 thousand companies around the world.