
Michigan Medicine Company Cyber Security Posture
uofmhealth.orgMichigan Medicine, based in Ann Arbor, Michigan, is part of one of the world’s leading universities. Michigan Medicine is a premier, highly ranked academic medical center and award-winning health care system with state-of-the-art facilities. Our vision is to create the future of health care through scientific discovery, innovations in education, and the most effective and compassionate care. We want to be the leader in health care, health care reform, and biomedical innovation. Michigan Medicine includes the U-M Hospitals and Health Centers; the U-M Medical School and its Faculty Group Practice; one of the nation's largest biomedical research communities; and education programs that train thousands of future health professionals and scientists each year. We were formerly known as the University of Michigan Medical Center; today that term applies generally to the collection of buildings on our main medical campus in Ann Arbor. We have a close partnership with the U-M School of Nursing and other health sciences schools at U-M. Through the Michigan Health Corporation, we are able to form partnerships outside of our University.
Michigan Medicine Company Details
michigan-medicine
13732 employees
95986.0
62
Hospitals and Health Care
uofmhealth.org
149
MIC_1147334
In-progress

Between 700 and 800
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

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Michigan Medicine 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 700 and 800 |
Michigan Medicine Company Cyber Security News & History
Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
---|---|---|---|---|---|---|---|
Michigan Medicine | Breach | 80 | 4 | 03/2022 | MIC173012522 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: The patient information of Michigan Medicine was leaked in a data security incident after an employee email account was compromised. A newly-hired employee accessed patients' electronic medical records of about 2,920 patients without any business need. The compromised information included demographic and clinical information such as diagnosis, treatment, and test results. The employee's excess was immediately cut off and further investigation revealed that no information was misused and the employee checked the records out of curiosity. | |||||||
Michigan Medicine | Cyber Attack | 100 | 5 | 08/2022 | MIC05131122 | Link | |
Rankiteo Explanation : Attack threatening the organization's existenceDescription: Michigan Medicine was targeted in a cyber attack that lured employees to a webpage that got them to enter their login information. Four Michigan Medicine employees entered login information and accepted multifactor authentication prompts which gave attackers to access their email accounts and resulted in a breach. The incident compromised the patients' names, addresses, birth dates, treatment information, medical record numbers, and health insurance information of about 33,850 patients. Michigan Medicine took steps immediately to investigate the matter and implemented additional safeguards to reduce risk to our patients. | |||||||
Michigan Medicine | Cyber Attack | 25 | 1 | 01/2023 | MIC8259223 | Link | |
Rankiteo Explanation : Attack without any consequencesDescription: Michigan Medicine was targeted in a cyber attack after that experienced intermittent problems with its public websites as a result on a third-party vendor they used to host some of their sites. They worked with the third-party to mitigate it and expect to have sites fully functional as soon as possible. Public websites hosted by a third-party provider are the only websites that have been targeted. All patient information is secure and not included on any of the compromised sites. Michigan Medicine took steps immediately to investigate the matter and implemented additional safeguards to reduce risk to our patients. | |||||||
Michigan Medicine | Data Leak | 60 | 3 | 08/2019 | MIC4393423 | Link | |
Rankiteo Explanation : Attack with significant impact with internal employee data leaksDescription: Michigan Medicine notified approximately 5,500 patients about a phishing email campaign that have exposed some of their health information. During the campaign, emails containing a malicious link were sent to over 3,200 Michigan Medicine employees. This email was opened by three employees, giving the attacker access to their email accounts. The compromised information includes names, medical record numbers, addresses, dates of birth, diagnostic and treatment information, and health insurance information. As soon as Michigan Medicine learned that the email accounts were compromised, they were disabled so no further access could take place until the passwords were changed. |
Michigan Medicine Company Subsidiaries

Michigan Medicine, based in Ann Arbor, Michigan, is part of one of the world’s leading universities. Michigan Medicine is a premier, highly ranked academic medical center and award-winning health care system with state-of-the-art facilities. Our vision is to create the future of health care through scientific discovery, innovations in education, and the most effective and compassionate care. We want to be the leader in health care, health care reform, and biomedical innovation. Michigan Medicine includes the U-M Hospitals and Health Centers; the U-M Medical School and its Faculty Group Practice; one of the nation's largest biomedical research communities; and education programs that train thousands of future health professionals and scientists each year. We were formerly known as the University of Michigan Medical Center; today that term applies generally to the collection of buildings on our main medical campus in Ann Arbor. We have a close partnership with the U-M School of Nursing and other health sciences schools at U-M. Through the Michigan Health Corporation, we are able to form partnerships outside of our University.
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Michigan Medicine Cyber Security News
2nd cyberattack in 4 months at Michigan Medicine leaks data of nearly 58,000 patients
Michigan Medicine was hit by a cyberattack in July that compromised the names, medical record numbers and diagnostic information of 57891 ...
Michigan Medicine notifies patients of health information breach
Those concerned about the breach who do not receive a letter may call the toll-free Michigan Medicine Assistance Line: 1-888-409-7484. Calls ...
Michigan Medicine latest health care system to be hit by cyberattack
Michigan Medicine latest health care system to be hit by cyberattack · Email accounts of three Michigan Medicine employees were hacked in May ...
Michigan Medicine notifies nearly 57K patients after health information potentially exposed in cyberattack
Michigan Medicine notified approximately 56953 patients about a data breach that impacted employee email accounts, and possibly exposed ...
Michigan Medicine data breach impacted 56953 patients
A cyber attack against Michigan Medicine resulted in the compromise of the personal and health information of approximately 57,000 patients.
U-M cyberattack compromised Michigan Medicine patient data of 56,000 people
Patient information may have been accessed when employee emails and attachments were hacked between May 23-May 29 at Michigan Medicine.
McLaren hospitals hampered by 'criminal cyber attack'
McLaren Health Care facilities in Mid-Michigan were slowed this week by what the organization calls a criminal cyber attack to its information technology ...
Feds investigate White Lake Township cyberattack
A July cyberattack on Michigan Medicine exposed the health information of nearly 57,900 patients, the health system announced in September.
4 Things to Know About the McLaren Cyberattack & Its Aftermath
McLaren Health Care fell victim to its second major cyberattack in less than a year. The Michigan-based health system has been working to restore its IT and ...

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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.
