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Confirmed breach

Bellflower Unified School District data breach

USUnited States

Bellflower Unified School District (United States) notified the Indiana Attorney General and the California Attorney General of a data breach on 12 June 2026. It affected 22,802 people. The breach began on 22 July 2025, 325 days before it was reported.

Status
Confirmed breach
People affected
22,802 people
Reported
12 June 2026
Breach began
22 July 2025
Time to tell
325 days (the median in California’s notices over the last year: 154 days)

What was exposed

The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.

Before the notice: the ransomware gang Rhysida named Bellflower Unified School District on its leak site on 28 October 2025, 227 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.

What the letter says

We have not read this letter yet.

Got a letter or email about this breach? Check it is real →

Read the letter (PDF), as filed with the California Attorney General.

Sources

Official notices are read by code from the regulator’s own register. More notices to Indiana, California. · Corrections and changes

If Bellflower Unified School District had your data

  1. Look for Bellflower Unified School District’s own notice or letter: it should say what of yours was involved. Keep it.
  2. The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Bellflower Unified School District has a password of yours, change it now to be safe.
  3. Expect scams that use your details: calls, texts or emails pretending to be Bellflower Unified School District, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

One email to confirm first. We use your address only for this alert, and one click deletes it.

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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.