In 2023, the most significant registered case of a data compromise in the United States, based on the number of affected individuals, was the T-Mobile data breach incident in January of that year. As a result of this incident, it is estimated that the e-mail addresses of about 37 million users were leaked. The second major data breach incident involved Comcast-owned Xfinity. This incident exposed over 35 million of the personal data of the internet provider's customers.
Most significant cases of personal data violations in the United States in 2023, by number of victims
(in millions)
a minimum estimate, data compromise include data breached, exposures, and data leak
Supplementary notes
The source adds the following information:
"Victim counts are incomplete. Because there is no universal legal requirement to disclose the number of individuals who are impacted by a data compromise, the number of victims should be considered a minimum estimate."
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Identity Theft Resource Center. (February 5, 2024). Most significant cases of personal data violations in the United States in 2023, by number of victims (in millions) [Graph]. In Statista. Retrieved November 17, 2024, from https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/
Identity Theft Resource Center. "Most significant cases of personal data violations in the United States in 2023, by number of victims (in millions)." Chart. February 5, 2024. Statista. Accessed November 17, 2024. https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/
Identity Theft Resource Center. (2024). Most significant cases of personal data violations in the United States in 2023, by number of victims (in millions). Statista. Statista Inc.. Accessed: November 17, 2024. https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/
Identity Theft Resource Center. "Most Significant Cases of Personal Data Violations in The United States in 2023, by Number of Victims (in Millions)." Statista, Statista Inc., 5 Feb 2024, https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/
Identity Theft Resource Center, Most significant cases of personal data violations in the United States in 2023, by number of victims (in millions) Statista, https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/ (last visited November 17, 2024)
Most significant cases of personal data violations in the United States in 2023, by number of victims (in millions) [Graph], Identity Theft Resource Center, February 5, 2024. [Online]. Available: https://www.statista.com/statistics/1367174/us-biggest-data-leakage-by-number-of-victims/
