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Confirmed breach

Monterey Mushrooms data breach

USUnited States · Monterey Mushrooms, LLC

Monterey Mushrooms (United States) notified the California Attorney General of a data breach on 18 September 2025. The breach began on 2 August 2025, 47 days before it was reported.

Status
Confirmed breach
People affected
Not reported yet
Reported
18 September 2025
Breach began
2 August 2025
Time to tell
47 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 INC Ransom named Monterey Mushrooms on its leak site on 4 September 2025, 14 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.

Sources

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

If Monterey Mushrooms had your data

  1. Look for Monterey Mushrooms, LLC’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 Monterey Mushrooms, LLC 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 Monterey Mushrooms, LLC, 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.