Comparison Overview

UnitedHealth Group

VS

Rush University Medical Center

UnitedHealth Group

US
Last Update: 2025-12-11

UnitedHealth Group is a health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone. We are 340,000 colleagues in two distinct and complementary businesses working to help build a modern, high-performing health system through improved access, affordability, outcomes and experiences. Optum delivers care aided by technology and data, empowering people, partners and providers with the guidance and tools they need to achieve better health. UnitedHealthcare offers a full range of health benefits, enabling affordable coverage, simplifying the health care experience and delivering access to high-quality care. We work with governments, employers, partners and providers to care for 147 million people and share a vision of a value-based system of care that provides compassionate and equitable care. At UnitedHealth Group, our mission calls us, our values guide us and our diverse culture connects us as we seek to improve care for the consumers we are privileged to serve and their communities. Click below to search careers or join our social communities: • Search & apply for careers at careers.unitedhealthgroup.com/ • Follow us on Twitter at twitter.com/UnitedHealthGrp • Follow and like us on Facebook at facebook.com/unitedhealthgroup • Follow us on Instagram at instagram.com/unitedhealthgroup More about UnitedHealth Group can be found at unitedhealthgroup.com/

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 100,868
Subsidiaries: 5
12-month incidents
2
Known data breaches
7
Attack type number
3

Rush University Medical Center

1620 W Harrison St, Chicago, 60612, US
Last Update: 2025-12-09
Between 750 and 799

Rush University Medical Center is an academic medical center that includes a 671-bed hospital serving adults and children, the 61-bed Johnston R. Bowman Health Center and Rush University. Rush University is home to one of the first medical colleges in the Midwest and one of the nation's top-ranked nursing colleges, as well as graduate programs in allied health, health systems management and biomedical research. The medical center also offers more than 70 highly selective residency and fellowship programs in medical and surgical specialties and subspecialties. For more than 170 years, Rush has been leading the way in developing innovative and often life-saving treatments. Today, Rush is a thriving center for basic and clinical research, with physicians and scientists involved in hundreds of research projects developing and testing the effectiveness and safety of new therapies and medical devices. In addition to its mission in patient care, education and research, Rush maintains a strong commitment to the community. Rush reaches out to the Chicago community through such offerings as the Rush Community Services Initiatives Program, an umbrella for several student-led outreach programs designed to address the social and health care needs of residents in neighboring communities.

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 12,083
Subsidiaries: 4
12-month incidents
0
Known data breaches
0
Attack type number
1

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/unitedhealth-group.jpeg
UnitedHealth Group
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/rush-university-medical-center.jpeg
Rush University Medical Center
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
UnitedHealth Group
100%
Compliance Rate
0/4 Standards Verified
Rush University Medical Center
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

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

UnitedHealth Group has 138.1% more incidents than the average of same-industry companies with at least one recorded incident.

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

No incidents recorded for Rush University Medical Center in 2025.

Incident History — UnitedHealth Group (X = Date, Y = Severity)

UnitedHealth Group cyber incidents detection timeline including parent company and subsidiaries

Incident History — Rush University Medical Center (X = Date, Y = Severity)

Rush University Medical Center cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/unitedhealth-group.jpeg
UnitedHealth Group
Incidents

Date Detected: 6/2025
Type:Ransomware
Motivation: Financial Gain
Blog: Blog

Date Detected: 2/2025
Type:Ransomware
Blog: Blog

Date Detected: 12/2024
Type:Cyber Attack
Attack Vector: Physical Violence
Motivation: Protest against healthcare insurance claim denials, Criticism of healthcare companies' focus on profits over patient care
Blog: Blog
https://images.rankiteo.com/companyimages/rush-university-medical-center.jpeg
Rush University Medical Center
Incidents

Date Detected: 01/2019
Type:Data Leak
Attack Vector: Unauthorized Access/Disclosure
Blog: Blog

FAQ

Rush University Medical Center company demonstrates a stronger AI Cybersecurity Score compared to UnitedHealth Group company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

UnitedHealth Group company has faced a higher number of disclosed cyber incidents historically compared to Rush University Medical Center company.

In the current year, UnitedHealth Group company has reported more cyber incidents than Rush University Medical Center company.

UnitedHealth Group company has confirmed experiencing a ransomware attack, while Rush University Medical Center company has not reported such incidents publicly.

UnitedHealth Group company has disclosed at least one data breach, while the other Rush University Medical Center company has not reported such incidents publicly.

UnitedHealth Group company has reported targeted cyberattacks, while Rush University Medical Center company has not reported such incidents publicly.

Neither UnitedHealth Group company nor Rush University Medical Center company has reported experiencing or disclosing vulnerabilities publicly.

Neither UnitedHealth Group nor Rush University Medical Center holds any compliance certifications.

Neither company holds any compliance certifications.

UnitedHealth Group company has more subsidiaries worldwide compared to Rush University Medical Center company.

UnitedHealth Group company employs more people globally than Rush University Medical Center company, reflecting its scale as a Hospitals and Health Care.

Neither UnitedHealth Group nor Rush University Medical Center holds SOC 2 Type 1 certification.

Neither UnitedHealth Group nor Rush University Medical Center holds SOC 2 Type 2 certification.

Neither UnitedHealth Group nor Rush University Medical Center holds ISO 27001 certification.

Neither UnitedHealth Group nor Rush University Medical Center holds PCI DSS certification.

Neither UnitedHealth Group nor Rush University Medical Center holds HIPAA certification.

Neither UnitedHealth Group nor Rush University Medical Center 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