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Latest / California / July 2020

CK-12 Foundation

CK-12 Foundation notified California AG on Jul 27, 2020 of a data breach, which occurred on Feb 26, 2020. Data exposed: Usernames / passwords, Email address, Postal address.

All 2 filings by CK-12 Foundation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
CK-12 Foundation
Source
California AG · source record
Date reported
Jul 27, 2020
Date(s) of breach
Wednesday, February 26, 2020
Residents affected
Not published by this source
Data exposed
Usernames / passwords Email address Postal address
Notice letter
Sample notice (PDF)
Days to notice
152 days from the end of the breach window (Feb 26, 2020, no discovery date in the letter) to the California record (Jul 27, 2020). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally
2026-10-30 16:10 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 16:10 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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Other filings by CK-12 Foundation

OrganizationSourceStateReportedResidents affectedData exposed
CK-12 Foundation Oregon DOJ OR Jul 27, 2020 523,443 Not stated

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.