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Highmark

Highmark Vendor Cyber Rating & Cyber Score

highmark.com
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ISO 27001
SOC 2 Type 1
SOC 2 Type 2
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An independent licensee of the Blue Cross Blue Shield Association, Highmark Inc., together with its Blue-branded affiliates, collectively comprise the fifth largest overall Blue Cross Blue Shield-affiliated organization in the country with approximately 7.1 million members in Pennsylvania, Delaware, West Virginia and western and northeastern New York. The following entities, which serve the noted regions, are independent licensees of the Blue Cross Blue Shield Association: Western and Northeastern PA: Highmark Inc. d/b/a Highmark Blue Cross Blue Shield; CPA/SEPA: Highmark Inc. d/b/a Highmark Blue Shield; Delaware: Highmark BCBSD Inc. d/b/a Highmark Blue Cross Blue Shield; West Virginia: Highmark West Virginia Inc. d/b/a Highmark Blue


Highmark A.I CyberSecurity Scoring

Incident Details
Highmark
Company Information
Website:http://www.highmark.com
Employees number:7,605
Number of followers:53,107
NAICS:524
Industry Type:Insurance
Homepage:highmark.com
Cyber Premium EstimationGet Supply Chain
Highmark Risk Score (AI oriented)
Between 700 and 749
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HighmarkInsurance
Updated:
04/04/2026
730/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
Highmark Global Score (TPRM)
xxxx
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HighmarkInsurance
•••
Score locked
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Vulnerabilities
Benchmark vs. industry & size peers
Findings

Highmark
HighmarkModerate
Current Score
730Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
AUGUST 2026
734Before Incident
JULY 2026
733Before Incident
JUNE 2026
732Before Incident
MAY 2026
732Before Incident
APRIL 2026
731Before Incident
MARCH 2026
730Before Incident
FEBRUARY 2026
729Before Incident
JANUARY 2026
729Before Incident
DECEMBER 2025
728Before Incident
NOVEMBER 2025
727Before Incident
OCTOBER 2025
726Before Incident
SEPTEMBER 2025
725Before Incident
DECEMBER 2022
767Before Incident
Breach
13 Dec 2022 • Highmark
Highmark

Highmark Data Breach

685After Incident
CRITICAL-82
HIG753080425
The Maine Office of the Attorney General reported a data breach involving Highmark on February 3, 2023. The breach occurred between December 13, 2022, and December 15, 2022, due to an external hacking incident, potentially affecting 300,000 individuals, including 2,774 Maine residents. The compromised information included names and social security numbers.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesSocial Security Numbers
DATA BREACH
NamesSocial Security NumbersSensitivity Of Data: High
REFERENCES
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Highmark Cyber Scoring History | Rankiteo