Comparison Overview

Kaiser Permanente

VS

Memorial Hermann Health System

Kaiser Permanente

1 Kaiser Plaza, Oakland, California, US, 94612
Last Update: 2025-12-09
Between 0 and 549

At the heart of health care, you’ll find Kaiser Permanente. As the nation’s leading not-for-profit, integrated health plan, we make a difference in the lives of members, patients, and communities across the country. With 39 hospitals and more than 734 locations in eight states and the District of Columbia, we proudly serve more than 12.7 million members from coast to coast. Whether you choose to join a hospital in the Northwest, a clinic in Southern California, or a medical office in the Mid-Atlantic, we have many opportunities for you to shape the future of care. Our teams are empowered to advance impactful and extraordinary care for all by pioneering health outcomes, encouraging diverse viewpoints, and creating new opportunities for learning and advancement. This covers more than our members and our employees; it also reaches far into our communities. Together, we’re proudly working as one for a healthier today and tomorrow. *Disclaimer: Please do not include any medical, personal, or confidential information in your comments. Comments are encouraged; however, Kaiser Permanente reserves the right to moderate comments on this page as necessary to prevent medical, personal, and confidential information from being posted on this site. In addition, Kaiser Permanente will remove all spam, personal attacks, profanity, and off-topic commentary. Comments containing advertisements about goods or services or announcements about news or events that are not related to Kaiser Permanente will be removed. Please note that your communications with Kaiser Permanente through this page are informal and are not part of Kaiser Permanente’s formal grievance process for members. To get information about the member grievance process or to submit a grievance, go to http://k-p.li/2aToRTn

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 132,061
Subsidiaries: 0
12-month incidents
0
Known data breaches
14
Attack type number
2

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

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/kaiser-permanente.jpeg
Kaiser Permanente
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/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
Compliance Summary
Kaiser Permanente
100%
Compliance Rate
0/4 Standards Verified
Memorial Hermann Health System
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 Kaiser Permanente in 2025.

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

No incidents recorded for Memorial Hermann Health System in 2025.

Incident History — Kaiser Permanente (X = Date, Y = Severity)

Kaiser Permanente cyber incidents detection timeline including parent company and subsidiaries

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

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

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/kaiser-permanente.jpeg
Kaiser Permanente
Incidents

Date Detected: 8/2024
Type:Breach
Attack Vector: Email Account Compromise
Blog: Blog

Date Detected: 6/2024
Type:Breach
Attack Vector: Unauthorized data sharing through tracking code
Blog: Blog

Date Detected: 5/2024
Type:Breach
Attack Vector: Insider Threat (Inappropriate Access by Workforce Member)
Blog: Blog
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

FAQ

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

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

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

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

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

Neither Memorial Hermann Health System company nor Kaiser Permanente company has reported experiencing targeted cyberattacks publicly.

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

Neither Kaiser Permanente nor Memorial Hermann Health System holds any compliance certifications.

Neither company holds any compliance certifications.

Neither Kaiser Permanente company nor Memorial Hermann Health System company has publicly disclosed detailed information about the number of their subsidiaries.

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

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

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

Neither Kaiser Permanente nor Memorial Hermann Health System holds ISO 27001 certification.

Neither Kaiser Permanente nor Memorial Hermann Health System holds PCI DSS certification.

Neither Kaiser Permanente nor Memorial Hermann Health System holds HIPAA certification.

Neither Kaiser Permanente nor Memorial Hermann Health System 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