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CK-12 Foundation

CK-12 Foundation Vendor Cyber Rating & Cyber Score

ck12.org
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At CK-12 Foundation, we’re revolutionizing education by providing free, high-quality learning resources for students and educators globally. Our mission is to reduce the cost of academic textbooks for K-12 education worldwide. CK-12 leverages technology to offer customizable digital textbooks, interactive simulations, adaptive practice, and real-world applications, making learning engaging and effective. Our latest innovation is Flexi, our AI tutor, providing personalized learning experiences to help students master complex concepts at their own pace.


CK-12 Foundation A.I CyberSecurity Scoring

Incident Details
CK-12 Foundation
Company Information
Website:https://www.ck12.org/student
Employees number:163
Number of followers:16,930
NAICS:6111
Industry Type:Primary and Secondary Education
Homepage:ck12.org
Cyber Premium EstimationGet Supply Chain
CK-12 Foundation Risk Score (AI oriented)
Between 750 and 799
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CK-12 FoundationPrimary and Secondary Education
Updated:
01/04/2026
756/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
CK-12 Foundation Global Score (TPRM)
xxxx
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CK-12 FoundationPrimary and Secondary Education
•••
Score locked
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Findings

CK-12 Foundation
CK-12 FoundationFair
Current Score
756Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
756Before Incident
JUNE 2026
756Before Incident
MAY 2026
756Before Incident
APRIL 2026
756Before Incident
MARCH 2026
755Before Incident
FEBRUARY 2026
755Before Incident
JANUARY 2026
755Before Incident
DECEMBER 2025
755Before Incident
NOVEMBER 2025
754Before Incident
OCTOBER 2025
754Before Incident
SEPTEMBER 2025
754Before Incident
AUGUST 2025
753Before Incident
FEBRUARY 2020
771Before Incident
Breach
26 Feb 2020 • CK-12 Foundation
CK-12 Foundation

CK-12 Foundation Data Breach

693After Incident
LOW-78
CK-403072825
The California Office of the Attorney General reported that the CK-12 Foundation experienced a data breach on February 26, 2020, which was reported on July 27, 2020. Unauthorized access to the systems began in late February, resulting in the potential compromise of user login credentials, including usernames and/or email addresses and passwords. The breach impacted a subset of Braingenie users.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
User login credentialsUsernamesEmail addressesPasswords
DATA BREACH
User login credentialsUsernamesEmail addressesPasswords
REFERENCES
Blog URLSource URL

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