Latest / California / September 2020

Mono County

Mono County notified California AG on Sep 25, 2020 of a data breach, which occurred on Jul 14, 2020. Data exposed: Social Security number, Financial / bank account, Date of birth, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Mono County
Source
California AG · source record
Date reported
Sep 25, 2020
Date(s) of breach
Thursday, April 9, 2020Tuesday, July 14, 2020
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Date of birth Name
Notice letter
Sample notice (PDF)
Discovered
Jul 28, 2020, as stated in the letter
"The County became aware of this breach on July 28, 2020 and as required by law, is notifying potentially affected individuals in as timely a manner as possible, while protecting the integrity of the ongoing forensic investigation."
Days to notice
59 days from discovery (Jul 28, 2020) to the California record (Sep 25, 2020). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
First seen by BreachTally
2026-10-30 16:09 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 16:09 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.