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Harvard-Westlake School

Harvard-Westlake School Vendor Cyber Rating & Cyber Score

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Harvard-Westlake School is an independent coeducational college preparatory day school, grades 7-12. It is the result of a merger between Harvard School, founded in 1900, and Westlake School for Girls, established in 1904. Coeducation began in September of 1991. The middle school campus is located in Holmby Hills section of Los Angeles, and the upper school campus is located in Studio City, CA.


Harvard-Westlake School A.I CyberSecurity Scoring

Incident Details
Harvard-Westlake School
Company Information
Website:http://www.hw.com
Employees number:494
Number of followers:7,953
NAICS:6111
Industry Type:Primary and Secondary Education
Homepage:hw.com
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Harvard-Westlake School Risk Score (AI oriented)
Between 700 and 749
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Harvard-Westlake SchoolPrimary and Secondary Education
Updated:
02/04/2026
733/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
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Harvard-Westlake School Global Score (TPRM)
xxxx
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Harvard-Westlake SchoolPrimary and Secondary Education
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Harvard-Westlake School
Harvard-Westlake SchoolModerate
Current Score
733Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
734Before Incident
JUNE 2026
734Before Incident
MAY 2026
734Before Incident
APRIL 2026
733Before Incident
MARCH 2026
733Before Incident
FEBRUARY 2026
732Before Incident
JANUARY 2026
732Before Incident
DECEMBER 2025
731Before Incident
NOVEMBER 2025
731Before Incident
OCTOBER 2025
730Before Incident
SEPTEMBER 2025
730Before Incident
AUGUST 2025
729Before Incident
OCTOBER 2021
773Before Incident
Breach
01 Oct 2021 • Harvard-Westlake School
Harvard-Westlake School

Harvard-Westlake Data Breach

688After Incident
CRITICAL-85
HAR1520241122
Harvard-Westlake’s suffered from a data breach incident in October 2021. Approximately 150 alumni with degrees from the past ten years were included in the papers. The exposed information includes academic records and letters of recommendation for the children of Oscar winners, media moguls, and other entertainment industry elite.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Academic recordsLetters of recommendation
DATA BREACH
Academic recordsLetters of recommendationNumber Of Records Exposed: Approximately 150
REFERENCES
Blog URLSource URL

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