CK-12 Foundation

1 breachNonprofit

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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

attack2026-09-25

CK-12 Foundation, 2020-07-27hacking

discovered2026-09-25

CK-12 Foundation, 2020-07-272020-06-01

Added2026-09-25

CK-12 Foundation, 2020-07-27

Added2026-09-25

CK-12 Foundation