
UCLA Health Company Cyber Security Posture
uclahealth.orgFor more than half a century, UCLA Health has provided the best in healthcare and the latest in medical technology to the people of Los Angeles and throughout the world. Comprised of Ronald Reagan UCLA Medical Center, UCLA Medical Center Santa Monica, Resnick Neuropsychiatric Hospital at UCLA, UCLA Mattel Children's Hospital, UCLA West Valley Medical Center and the UCLA Medical Group with its wide-reaching system of primary-care and specialty-care offices throughout the region, UCLA Health is among the most comprehensive and advanced healthcare systems in the world. Our physicians are world leaders in the diagnosis and treatment of complex illnesses, and our hospitals are among the best in the country. Consistently ranked one of the top ten hospitals in the nation and the best medical center in the western United States by U.S. News & World Report, Ronald Reagan UCLA Medical Center is at the cutting edge of biomedical research, and our doctors and scientists are leaders in performing pioneering work across an astounding range of disciplines, from organ transplantation and cardiac surgery to neurosurgery and cancer treatment, and bringing the latest discoveries to virtually every field of medicine.
UCLA Health Company Details
ucla-health
16547 employees
129131.0
62
Hospitals and Health Care
uclahealth.org
1152
UCL_1317132
In-progress

Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

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UCLA Health Company Scoring based on AI Models
Model Name | Date | Description | Current Score Difference | Score |
---|---|---|---|---|
AVERAGE-Industry | 03-12-2025 | This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers. | N/A | Between 900 and 1000 |
UCLA Health Company Cyber Security News & History
Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
---|---|---|---|---|---|---|---|
UCLA Health | Breach | 80 | 4 | 09/2015 | UCL14320422 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: UCLA Health experienced a data breach incident in September 2015 after one of its laptop got stolen. The stolen laptop contained the personal information of approximately 1,242 patient of the organization including names and medical record numbers. UCLA Health notified all affected patient and retraining those involved with the incident. | |||||||
UCI Health | Breach | 90 | 4 | 03/2015 | UCI2241522 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: An employee of UC Irvine Medical Center unethically viewed thousands of patient records over a four-year period. The incident compromised the personal health information including names, dates of birth, gender, medical record numbers, height, weight, medical center account numbers, allergy information, home address, medical documentation, diagnoses, test orders and results, of 4,859 patients . The center investigated the incident with the help of external security experts and notifies the affected patients. | |||||||
UC San Diego Health | Breach | 60 | 4 | 07/2021 | UCS22335223 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: UC San Diego Health suffered from a data breach that exposed number of patients, employees and others connected to UC San Diego Health potentially. It was found that the breach occurred via unauthorized access to some employee email accounts, but it did not affect the continuity of care for their patients. A UCSD Health spokesperson said Tuesday that ransomware, software often used to extort money from an organization, was not involved. The compromised information includes full names, addresses, dates of birth, email addresses, fax numbers, claims information including dates and costs of care received, laboratory results, medical diagnoses and conditions, medical record numbers, prescription information, treatment information, Social Security numbers, government identification numbers, financial account numbers, student identification numbers, usernames and passwords. They notified people, and the letters each person receives precisely reflect the information that would have been impacted for that particular person. | |||||||
UCLA Health | Data Leak | 60 | 4 | 06/2022 | UCL11139223 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: UCLA health experienced a data breach incident that 94,000 patients personal information and health data to third parties. UCLA Health promptly disabled the use of the tools and launched an investigation. The compromised information includes patients’ URL/website addresses, provider names, specialty, ad campaign names, page views, IP addresses, third-party cookies, and hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders. UCLA Health website and the UCLA Health mobile app were affected. The UCLA Health patient portal was not impacted. | |||||||
UCLA | Ransomware | 100 | 5 | 06/2023 | UCL0443723 | Link | |
Rankiteo Explanation : Attack threatening the organization’s existenceDescription: The five new MOVEit assaults victims revealed on the dark web leak site for the Clop ransomware organization include the industrial behemoths Siemens Energy, Schneider Electric, werum.com, UCLA (http://ucla.edu), Abbie (http://abbvie.com), and Abbie. Worldwide, vital national infrastructures use Industrial Control Systems (ICS) from Siemens Energy and Schneider Electric. Threat actors claim they were able to compromise 100 different firms utilizing the most recently revealed MOVEit Transfer vulnerability CVE-2023-34362. The US government offers rewards for information that leads to the arrest, indictment, or location of dangerous actors. | |||||||
UC San Diego Health | Ransomware | 100 | 7 | 10/2023 | UCS1014070724 | Link | |
Rankiteo Explanation : Attack that could injure or kill peopleDescription: UC San Diego Health experienced a ransomware attack threatening critical healthcare operations. As the medical industry increases reliance on technology, such attacks can have dire consequences on patient care and outcomes. The attack's costliness, with an average of $11 million according to IBM, poses risks to smaller healthcare systems' existence, potentially leading to their permanent closure. Patients in remote areas would be most affected due to the scarcity of nearby medical facilities. In response, federal funding has been allocated to develop better preventative and mitigative measures, focusing on cybersecurity in healthcare. | |||||||
University of California San Francisco (UCSF) | Ransomware | 100 | 4 | 12/2024 | UCS000122224 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: The University of California San Francisco suffered a significant ransomware attack at the hands of the NetWalker group, which resulted in the loss of access to critical data. In order to recover the encrypted files, UCSF was compelled to pay a substantial ransom of $1.14 million. This incident stressed the vulnerability of major institutions to sophisticated cyber threats, particularly during sensitive times such as the COVID-19 pandemic when reliance on digital infrastructure is at its peak. The attack not only financially impacted the university but also highlighted the potential risks to privacy and the continuation of essential services. |
UCLA Health Company Subsidiaries

For more than half a century, UCLA Health has provided the best in healthcare and the latest in medical technology to the people of Los Angeles and throughout the world. Comprised of Ronald Reagan UCLA Medical Center, UCLA Medical Center Santa Monica, Resnick Neuropsychiatric Hospital at UCLA, UCLA Mattel Children's Hospital, UCLA West Valley Medical Center and the UCLA Medical Group with its wide-reaching system of primary-care and specialty-care offices throughout the region, UCLA Health is among the most comprehensive and advanced healthcare systems in the world. Our physicians are world leaders in the diagnosis and treatment of complex illnesses, and our hospitals are among the best in the country. Consistently ranked one of the top ten hospitals in the nation and the best medical center in the western United States by U.S. News & World Report, Ronald Reagan UCLA Medical Center is at the cutting edge of biomedical research, and our doctors and scientists are leaders in performing pioneering work across an astounding range of disciplines, from organ transplantation and cardiac surgery to neurosurgery and cancer treatment, and bringing the latest discoveries to virtually every field of medicine.
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UCLA Health Cyber Security News
UC implements cybersecurity mandate
On May 28, 2025, a new cybersecurity mandate will fully go into effect for all University of California (UC) campuses, with several key ...
Q&A: Drake Chang talks safety practices, AI amid Cybersecurity Awareness Month
Drake Chang, UCLA's chief information security officer, sat down with Daily Bruin contributor Catherine Wang to discuss his team's October ...
Health Care Needs a Public-Private Solution to Cyberthreats
The U.S. health care system is under attack. Cybersecurity breaches by hackers are escalating exponentially, with cybercriminals exploiting ...
UCLA will pay $7.5 million in claims, cyber enhancements to settle 2015 breach
UCLA will pay $7.5 million in claims, cyber enhancements to settle 2015 breach. The health system will invest $5.5 million in new network ...
UCLA Health Settles Class Action Data Breach Lawsuit for $7.5 Million
UCLA Health has agreed to settle a class action lawsuit filed by victims of its July 2015 data breach. $2 million will be set aside to cover ...
How can UCLA protect against phishing, ransomware and other threats?
First and foremost, it's essential to create unique, strong passwords for every application or service you use. Aim for 8–12 characters, ...
HHS agency launches program to automate cybersecurity at hospitals
The project seeks to help hospitals keep their vast array of internet-connected devices up to date, preventing attacks and subsequent technology ...
UCHealth, UCLA Health Report Healthcare Data Breaches
UCHealth and UCLA Health were the latest entities to report recent healthcare data breaches, both tied to third-party vendors.
UCLA Health hacked, 4.5 million victims
Hackers broke into UCLA Health computers, which housed patient data from Ronald Reagan UCLA Medical Center and three other hospitals. UCLA ...

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What Do We Measure?
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
