Data breaches in April 2025
Data breaches first reported to a state attorney general, HHS or the SEC in April 2025: 2 breaches. Facts come from official filings with US state attorneys general, the U.S. Department of Health and Human Services (HHS) and the SEC; each breach page links its sources.
| Organization | First filed | People affected | Information exposed | Filed with |
|---|---|---|---|---|
| Blue Shield of CaliforniaBlue Shield of California breach history | 4,700,000 |
|
HHS, California AG | |
| Eisner Advisory Group LLCEisner Advisory Group LLC breach history | At least 2,121 |
|
Washington AG, California AG |
Other months in 2025
People affected is the official total from a filing, or “At least” the sum of state filings where no total was filed. Spotted an error? Report a correction.