Comparison Overview

Memorial Hermann Health System

VS

Highmark Health

Memorial Hermann Health System

None, None, Houston, Texas, US, None
Last Update: 2025-12-09

Advancing Health. Personalizing Care. Memorial Hermann Health System is a nonprofit, values-driven, community-owned health system dedicated to improving health. A fully integrated health system with more than 260 care delivery sites throughout the Greater Houston area, Memorial Hermann is committed to delivering safe, high-quality, patient-centered care and offers clinical expertise, innovation and cutting-edge technology to all patients.

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 18,811
Subsidiaries: 0
12-month incidents
0
Known data breaches
2
Attack type number
1

Highmark Health

120 5th Ave, None, Pittsburgh, Pennsylvania, US, None
Last Update: 2025-12-09

A national blended health organization, Highmark Health and our leading businesses support millions of customers with products, services and solutions closely aligned to our mission of creating remarkable health experiences, freeing people to be their best. Headquartered in Pittsburgh, we're regionally focused in Pennsylvania, Delaware, West Virginia and New York, with customers in all 50 states and the District of Columbia. We passionately serve individual consumers and fellow businesses alike. Our companies cover a diversified spectrum of essential health-related needs, including health insurance, health care delivery, population health management, dental solutions, reinsurance solutions, and innovative technology solutions. Our financial position reflects strength and stability, with our year-end 2024 consolidated revenues totaling $29.4 billion. We’re also proud to carry forth an important legacy of compassionate care and philanthropy that began more than 170 years ago. This tradition of giving back, reinvesting and ensuring that our communities remain strong and healthy is deeply embedded in our culture, informing our decisions every day.

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 15,287
Subsidiaries: 13
12-month incidents
0
Known data breaches
2
Attack type number
3

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/memorialhermann.jpeg
Memorial Hermann Health System
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/highmark-health.jpeg
Highmark Health
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
Memorial Hermann Health System
100%
Compliance Rate
0/4 Standards Verified
Highmark Health
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Hospitals and Health Care Industry Average (This Year)

No incidents recorded for Memorial Hermann Health System in 2025.

Incidents vs Hospitals and Health Care Industry Average (This Year)

No incidents recorded for Highmark Health in 2025.

Incident History — Memorial Hermann Health System (X = Date, Y = Severity)

Memorial Hermann Health System cyber incidents detection timeline including parent company and subsidiaries

Incident History — Highmark Health (X = Date, Y = Severity)

Highmark Health cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/memorialhermann.jpeg
Memorial Hermann Health System
Incidents

Date Detected: 02/2022
Type:Breach
Attack Vector: Email Compromise
Blog: Blog

Date Detected: 7/2014
Type:Breach
Attack Vector: Unauthorized Access
Blog: Blog
https://images.rankiteo.com/companyimages/highmark-health.jpeg
Highmark Health
Incidents

Date Detected: 06/2023
Type:Data Leak
Attack Vector: Account Takeover
Motivation: Financial Gain
Blog: Blog

Date Detected: 12/2022
Type:Breach
Attack Vector: External Hacking
Blog: Blog

Date Detected: 12/2022
Type:Cyber Attack
Attack Vector: Phishing
Blog: Blog

FAQ

Memorial Hermann Health System company demonstrates a stronger AI Cybersecurity Score compared to Highmark Health company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

Highmark Health company has faced a higher number of disclosed cyber incidents historically compared to Memorial Hermann Health System company.

In the current year, Highmark Health company and Memorial Hermann Health System company have not reported any cyber incidents.

Neither Highmark Health company nor Memorial Hermann Health System company has reported experiencing a ransomware attack publicly.

Both Highmark Health company and Memorial Hermann Health System company have disclosed experiencing at least one data breach.

Highmark Health company has reported targeted cyberattacks, while Memorial Hermann Health System company has not reported such incidents publicly.

Neither Memorial Hermann Health System company nor Highmark Health company has reported experiencing or disclosing vulnerabilities publicly.

Neither Memorial Hermann Health System nor Highmark Health holds any compliance certifications.

Neither company holds any compliance certifications.

Highmark Health company has more subsidiaries worldwide compared to Memorial Hermann Health System company.

Memorial Hermann Health System company employs more people globally than Highmark Health company, reflecting its scale as a Hospitals and Health Care.

Neither Memorial Hermann Health System nor Highmark Health holds SOC 2 Type 1 certification.

Neither Memorial Hermann Health System nor Highmark Health holds SOC 2 Type 2 certification.

Neither Memorial Hermann Health System nor Highmark Health holds ISO 27001 certification.

Neither Memorial Hermann Health System nor Highmark Health holds PCI DSS certification.

Neither Memorial Hermann Health System nor Highmark Health holds HIPAA certification.

Neither Memorial Hermann Health System nor Highmark Health holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

NXLog Agent before 6.11 can load a file specified by the OPENSSL_CONF environment variable.

Risk Information
cvss3
Base: 8.1
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description

uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.

Risk Information
cvss3
Base: 2.9
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Description

A vulnerability was detected in Mayan EDMS up to 4.10.1. The affected element is an unknown function of the file /authentication/. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit is now public and may be used. Upgrading to version 4.10.2 is sufficient to fix this issue. You should upgrade the affected component. The vendor confirms that this is "[f]ixed in version 4.10.2". Furthermore, that "[b]ackports for older versions in process and will be out as soon as their respective CI pipelines complete."

Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

MJML through 4.18.0 allows mj-include directory traversal to test file existence and (in the type="css" case) read files. NOTE: this issue exists because of an incomplete fix for CVE-2020-12827.

Risk Information
cvss3
Base: 4.5
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L
Description

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).

Risk Information
cvss3
Base: 5.8
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N