Independent public-records tracker. Not a government website.Facts from official state, HHS and SEC filings

Data breaches in May 2023

Data breaches first reported to a state attorney general, HHS or the SEC in May 2023: 1 breach. 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.

Updated Oct 21, 2026 · Showing 1–1 of 1

Organization First filed People affected Information exposed Filed with
Managed Care of North America, Inc.Managed Care of North America, Inc. breach history 8,627,242
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
Washington AG, HHS, California AG

Other months in 2023

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.