As of February 2024, 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.
Most significant data breaches in the United States as of February 2024, by impact
Name of the organization
Impact
Yahoo (2013-2016)
Over 3 billion user accounts
Microsoft (Jan 2021)
30,000 U.S. companies (60000 companies worldwide)
Real Estate Wealth Network (Dec 2023)
1.5 billion records leaked
First American Financial Corp. (May 2019)
885 million file records
Facebook (Apr 2021)
530 million users
LinkedIn (Apr 2021)
Over 700 million user records
JPMorgan Chase (Jun 2014)
76 million households and 7 million small businesses
Home Depot (Apr 2014)
56 million payment card numbers and 53 million e-mail addresses
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UpGuard. (February 20, 2024). Most significant data breaches in the United States as of February 2024, by impact [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1448545/us-biggest-data-breaches/
UpGuard. "Most significant data breaches in the United States as of February 2024, by impact." Chart. February 20, 2024. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1448545/us-biggest-data-breaches/
UpGuard. (2024). Most significant data breaches in the United States as of February 2024, by impact. Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1448545/us-biggest-data-breaches/
UpGuard. "Most Significant Data Breaches in The United States as of February 2024, by Impact." Statista, Statista Inc., 20 Feb 2024, https://www.statista.com/statistics/1448545/us-biggest-data-breaches/
UpGuard, Most significant data breaches in the United States as of February 2024, by impact Statista, https://www.statista.com/statistics/1448545/us-biggest-data-breaches/ (last visited December 21, 2024)
Most significant data breaches in the United States as of February 2024, by impact [Graph], UpGuard, February 20, 2024. [Online]. Available: https://www.statista.com/statistics/1448545/us-biggest-data-breaches/
