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Graham Holdings Company

Graham Holdings Company Vendor Cyber Rating & Cyber Score

ghco.com

Headquartered in Arlington, Va., Graham Holdings Company (NYSE:GHC) is a diversified holding company whose operations include: educational services, home health and hospice care, television broadcasting, online, print and local TV news, automotive dealerships, manufacturing, hospitality, consumer internet companies, digital marketing, and other emerging operations. Graham Holdings Company delivers quality products and services to today’s students, viewers, customers, patients, and advertisers. What unites our Company is a commitment to excellence across all of our business lines.


GHC A.I CyberSecurity Scoring

GHC
Company Information
Website:http://www.ghco.com
Employees number:143
Number of followers:2,710
NAICS:92311
Industry Type:Education Administration Programs
Homepage:ghco.com
GHC Risk Score (AI oriented)
Between 650 and 699
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GHCEducation Administration Programs
Updated:
04/04/2026
689/1000
Weak
B
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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GHC Global Score (TPRM)
xxxx
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GHCEducation Administration Programs
•••
Score locked
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Vulnerabilities
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Findings

GHC
GHCWeak
Current Score
689B (WEAK)
01000
1 incidents
-92 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
695Before Incident
JUNE 2026
695Before Incident
MAY 2026
692Before Incident
APRIL 2026
691Before Incident
MARCH 2026
688Before Incident
FEBRUARY 2026
779Before Incident
Breach
21 Feb 2026GHC
Kaplan Inc., Graham Holdings Co. and Kaplan North America LLC: Kaplan Data Breach Lawsuit Investigation

Kaplan North America Data Breach Exposes Sensitive Information of Over 220,000 Individuals

687After Incident
CRITICAL-92
KAPGRA1773858919
Kaplan North America Data Breach Exposes Sensitive Information of Over 220,000 Individuals Kaplan North America LLC, a major educational services provider based in Fort Lauderdale, Florida, confirmed a data breach affecting thousands of individuals across the U.S. and Canada. The company, a division of Kaplan Inc. and owned by Graham Holdings Co., disclosed that an unauthorized actor accessed its network between October 30 and November 18, 2025, compromising files containing sensitive personal data. The breach was discovered during an investigation concluded on February 21, 2026. Kaplan responded by securing its systems, engaging external cybersecurity experts, and notifying law enforcement. Affected individuals began receiving written notifications on March 17, 2026. The exposed data includes names, Social Security numbers, and driver’s license numbers, putting victims at risk of identity theft and fraud. The breach impacted at least 221,408 individuals, with notable concentrations in Texas (173,676), South Carolina (26,612), Maine (19,075), and Rhode Island (2,045). Class action law firm Shamis & Gentile P.A. is investigating the incident and potential legal claims for affected individuals. Those impacted may be eligible for compensation related to identity monitoring, financial losses, or other damages.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Data Compromised: Sensitive personal data including names, Social Security numbers, and driver’s license numbersLegal Liabilities: Potential legal claims for affected individualsIdentity Theft Risk: High
DATA BREACH
NamesSocial Security numbersDriver’s license numbersNumber Of Records Exposed: 221408Sensitivity Of Data: HighPersonally Identifiable Information: Yes
JANUARY 2026
779Before Incident
DECEMBER 2025
779Before Incident
NOVEMBER 2025
779Before Incident
OCTOBER 2025
779Before Incident
SEPTEMBER 2025
779Before Incident
AUGUST 2025
779Before Incident

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Graham Holdings Company Cyber Scoring History | Rankiteo