UHS A.I CyberSecurity Scoring
UHS
Company Information
Website:http://www.uhs.com
Employees number:11,391
Number of followers:90,967
NAICS:62
Industry Type:Hospitals and Health Care
Homepage:uhs.com
UHS Risk Score (AI oriented)
Between 650 and 699
UHSHospitals and Health Care
Updated:
02/04/2026
02/04/2026
691/1000
Weak
B
UHS Global Score (TPRM)
xxxx
UHSHospitals and Health Care
Score locked

UHSWeak
Current Score
691B (WEAK)
01000
3 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
692
JUNE 2026
691
MAY 2026
692
APRIL 2026
690
MARCH 2026
690
FEBRUARY 2026
689
JANUARY 2026
687
DECEMBER 2025
685
NOVEMBER 2025
682
OCTOBER 2025
680
SEPTEMBER 2025
677
AUGUST 2025
674
OCTOBER 2023
705
Ransomware
01 Oct 2023 • UHS
UHS
Ransomware Attack on ESO Solutions
583
CRITICAL-122
UHS8515124
A ransomware attack occurred against ESO Solutions, a significant software provider for emergency services and healthcare.
This incident resulted from unauthorised data access and system encryption across many enterprise platforms.
Depending on the information patients have shared with their healthcare providers using ESO's software, a range of personal data was exposed in the hack. Among the compromised data are: complete names dates of birth Numbers to call Numbers for patient accounts and medical records Details of the injury, diagnosis, treatment, and procedure, and Social Security numbers.
It was established that patient data connected to U.S. hospitals and clinics that ESO serves as a client was compromised.
All notified parties will receive a year of identity monitoring services from Kroll through ESO to assist in reducing risks.
INCIDENT DETAILS -
TYPE
IMPACT
DATA BREACH
REFERENCES
OCTOBER 2020
706
Ransomware
02 Oct 2020 • UHS
Düsseldorf University Clinic, Hollywood Presbyterian Medical Center and Universal Health Services: Ransomware Runs Rampant On Hospitals
First Fatality Linked to Ransomware Attack on Düsseldorf University Clinic
585
CRITICAL-121
UHSCHAUNI1774542502
First Fatality Linked to Ransomware Attack Highlights Growing Threat to Hospitals
On September 10, 2020, a ransomware attack on Düsseldorf University Clinic in Germany disrupted critical IT systems, forcing the hospital to divert emergency patients. A woman in need of urgent care was rerouted to another city for treatment delaying her admission by nearly an hour and later died. German authorities confirmed this as the first known death directly attributed to a ransomware attack.
The incident underscores the escalating risks of cyberattacks on healthcare. While cybercriminals typically target hospitals for financial gain rather than patient harm, the consequences can be severe. In 2016, the Locky ransomware disrupted operations at Hollywood Presbyterian Medical Center in Los Angeles, halting radiation and oncology services. More recently, Universal Health Services a U.S. hospital chain with 250 facilities canceled surgeries and rerouted ambulances after a ransomware attack, though no patients were harmed.
Ransomware attacks on healthcare providers have quadrupled over the past three years, despite repeated warnings from the FBI and cybersecurity experts. The financial toll is staggering: global damages from ransomware are projected to reach $20 billion by 2021, a 57-fold increase since 2015. Healthcare organizations, historically underinvested in cybersecurity, now face mounting pressure to bolster defenses. While other sectors like finance allocate around 15% of IT budgets to cybersecurity, hospitals have typically spent just 4–7%.
In response, the healthcare industry is expected to invest $125 billion in cybersecurity between 2021 and 2025, with C-suite executives increasingly recognizing ransomware as both a patient safety and reputational risk. The Düsseldorf incident serves as a grim reminder of the real-world stakes as cyber threats continue to disrupt critical care.
INCIDENT DETAILS -
TYPE
MOTIVATION
IMPACT
DATA BREACH
REFERENCES
SEPTEMBER 2020
792
Ransomware
01 Sep 2020 • UHS
UHS
Ransomware Attack on Universal Health Services
704
CRITICAL-88
UHS194910422
The systems of the famous healthcare facility, Universal Health Services, were targeted by the Rayuk ransomware group in September 2020.
The attackers hit the systems, disabled multiple antivirus programs, and logged the systems out.
The attack caused the doctors to wait for a longer period for lab test results and even resulted in four casualties.
The healthcare immediately took action and removed the encrypted files and restored the systems.
INCIDENT DETAILS -
TYPE
IMPACT
REFERENCES
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