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

Data breaches in March 2016

Data breaches first reported to a state attorney general, HHS or the SEC in March 2016: 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
21st Century Oncology21st Century Oncology breach history 2,213,597
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
 Washington AG, Maine AG, HHS, California AG

Other months in 2016

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.