CK-12 Foundation

Disclosed Jul 27, 20206 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Jul 27, 2020
Discovered	Jun 1, 2020
Happened	Feb 26, 2020
Attack	Hacking
Data exposed	Not stated
Sector	Nonprofit · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: CK-12 Foundationoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: CK-12 Foundationatg.wa.gov · Official notice	Official notice
Oregon DOJ breach notice: CK-12 Foundationjustice.oregon.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Jul 27, 2020
Washington AGresidents of WA	Jul 27, 2020	5,017
Oregon DOJresidents of OR	Jul 27, 2020	523,443

History of this record

2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2020-06-01 · backfill source
2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about CK-12 Foundation

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