MHS
Company Details
Linkedin ID:
montefiore-health-system
Website:
Employees number:
11,269
Number of followers:
83,569
NAICS:
62
Industry Type:
Homepage:
montefiore.org
IP Addresses:
0
Company ID:
MON_3269945
Scan Status:
In-progress
Montefiore Health System Company CyberSecurity Posture
montefiore.org
Montefiore is one of New York’s premier academic health systems, renowned for its leading medical school, groundbreaking research and technology, and highly specialized, coordinated care for diverse populations in the New York region, across the country and globally. Visit Montefiore.org to learn more.
Montefiore Health System A.I CyberSecurity Scoring
MHS Risk Score (AI oriented)Between 750 and 799
MHS
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MHS
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MHS Company CyberSecurity News & History
Past Incidents
2
Attack Types
1
Montefiore Health System
Breach
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: Montefiore Medical Center experienced a security breach. A former employee had recently stolen personal information from roughly 4,000 patient records, which led Montefiore to terminate the employee upon learning of the security breach and potential identity theft. Addresses, dates of birth, and Social Security numbers were compromised over a period of more than two years, from January 2017 to July of that year.
Montefiore Health System, The University Hospital for Albert Einstein College of Medicine
Breach
Rankiteo Explanation
Attack threatening the organization's existence
Description: The California Office of the Attorney General reported a data breach involving Montefiore Health System on June 18, 2015. The breach occurred due to the theft of patient account information by an employee between January 2013 and June 2013, affecting an unknown number of individuals. The compromised information included names, addresses, Social Security numbers, next of kin, and health insurance information.
MHS Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for MHS
Incidents vs Hospitals and Health Care Industry Average (This Year)
No incidents recorded for Montefiore Health System in 2025.
Incidents vs All-Companies Average (This Year)
No incidents recorded for Montefiore Health System in 2025.
Incident Types MHS vs Hospitals and Health Care Industry Avg (This Year)
No incidents recorded for Montefiore Health System in 2025.
Incident History — MHS (X = Date, Y = Severity)
MHS cyber incidents detection timeline including parent company and subsidiaries
MHS Company Subsidiaries
Montefiore is one of New York’s premier academic health systems, renowned for its leading medical school, groundbreaking research and technology, and highly specialized, coordinated care for diverse populations in the New York region, across the country and globally. Visit Montefiore.org to learn more.
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MHS CyberSecurity News
November 21, 2025 08:00 AM
Deals tracker: OhioHealth explores partnership with hospital
OhioHealth and Fairfield Medical Center have signed a non-binding letter of intent to look into a partnership, Fairfield said in a news...
October 26, 2025 07:00 AM
Healthcare Data Breach Statistics
The HIPAA Journal has compiled healthcare data breach statistics from October 2009, when the Department of Health and Human Services (HHS)...
October 20, 2025 07:00 AM
Montefiore plans affiliation with 3 New York hospitals
The system is looking to add Garnet Health. The organizations are hoping to reach a definitive agreement by the end of the year.
September 22, 2025 07:00 AM
Continuous Monitoring: An overview
Explore the importance of continuous monitoring in risk management, its benefits, and how it enhances organizational security and...
March 06, 2025 08:00 AM
Deepesh Chandra, Senior Vice President and Chief Information Officer, Recognized by Becker’s Hospital Review as a CIO to Know
As Chief Information Officer, Chandra uses his 20-plus years of healthcare technology leadership experience to guide Montefiore Einstein's information...
February 07, 2025 08:00 AM
Article | New York City medical school erases references to DEI
A private New York City medical school is scrubbing references to diversity, equity and inclusion initiatives from its website.
January 29, 2025 08:00 AM
Amazon One Medical, Montefiore Health to open primary care sites
The primary care offices will offer same- and next-day appointments, onsite lab services and virtual care support.
January 29, 2025 08:00 AM
Amazon’s One Medical Partners With New York’s Montefiore Health System
The first primary care offices in Westchester County and surrounding areas with Montefiore Health System will open in 2026.
January 21, 2025 08:00 AM
New York putting $188 million toward cancer center
A $188 million investment in Jamaica Hospital and Memorial Sloan Kettering to establish a "Comprehensive Cancer Care Center of Queens."
Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
MHS CyberSecurity History Information
Official Website of Montefiore Health System
The official website of Montefiore Health System is http://www.montefiore.org.
Montefiore Health System’s AI-Generated Cybersecurity Score
According to Rankiteo, Montefiore Health System’s AI-generated cybersecurity score is 764, reflecting their Fair security posture.
How many security badges does Montefiore Health System’ have ?
According to Rankiteo, Montefiore Health System currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does Montefiore Health System have SOC 2 Type 1 certification ?
According to Rankiteo, Montefiore Health System is not certified under SOC 2 Type 1.
Does Montefiore Health System have SOC 2 Type 2 certification ?
According to Rankiteo, Montefiore Health System does not hold a SOC 2 Type 2 certification.
Does Montefiore Health System comply with GDPR ?
According to Rankiteo, Montefiore Health System is not listed as GDPR compliant.
Does Montefiore Health System have PCI DSS certification ?
According to Rankiteo, Montefiore Health System does not currently maintain PCI DSS compliance.
Does Montefiore Health System comply with HIPAA ?
According to Rankiteo, Montefiore Health System is not compliant with HIPAA regulations.
Does Montefiore Health System have ISO 27001 certification ?
According to Rankiteo,Montefiore Health System is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of Montefiore Health System
Montefiore Health System operates primarily in the Hospitals and Health Care industry.
Number of Employees at Montefiore Health System
Montefiore Health System employs approximately 11,269 people worldwide.
Subsidiaries Owned by Montefiore Health System
Montefiore Health System presently has no subsidiaries across any sectors.
Montefiore Health System’s LinkedIn Followers
Montefiore Health System’s official LinkedIn profile has approximately 83,569 followers.
NAICS Classification of Montefiore Health System
Montefiore Health System is classified under the NAICS code 62, which corresponds to Health Care and Social Assistance.
Montefiore Health System’s Presence on Crunchbase
Yes, Montefiore Health System has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/montefiore-einstein.
Montefiore Health System’s Presence on LinkedIn
Yes, Montefiore Health System maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/montefiore-health-system.
Cybersecurity Incidents Involving Montefiore Health System
As of November 30, 2025, Rankiteo reports that Montefiore Health System has experienced 2 cybersecurity incidents.
Number of Peer and Competitor Companies
Montefiore Health System has an estimated 30,082 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at Montefiore Health System ?
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
Incident Details
Can you provide details on each incident ?
Title: Montefiore Medical Center Data Breach
Description: A former employee stole personal information from roughly 4,000 patient records over a period of more than two years, from January 2017 to July 2017.
Date Detected: July 2017
Type: Data Breach
Attack Vector: Insider Threat
Vulnerability Exploited: Unauthorized Access
Threat Actor: Former Employee
Motivation: Data Theft
Title: Montefiore Health System Data Breach
Description: The California Office of the Attorney General reported a data breach involving Montefiore Health System on June 18, 2015. The breach occurred due to the theft of patient account information by an employee between January 2013 and June 2013, affecting an unknown number of individuals. The compromised information included names, addresses, Social Security numbers, next of kin, and health insurance information.
Date Detected: 2015-06-18
Date Publicly Disclosed: 2015-06-18
Type: Data Breach
Attack Vector: Insider Threat
Vulnerability Exploited: Employee Theft
Threat Actor: Employee
Motivation: Theft of Patient Account Information
What are the most common types of attacks the company has faced ?
Common Attack Types: The most common types of attacks the company has faced is Breach.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Breach MON205019123
Data Compromised: Addresses, Dates of birth, Social security numbers
Identity Theft Risk: High
Incident : Data Breach MON632080425
Data Compromised: Names, Addresses, Social security numbers, Next of kin, Health insurance information
What types of data are most commonly compromised in incidents ?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personal Information, , Names, Addresses, Social Security Numbers, Next Of Kin, Health Insurance Information and .
Which entities were affected by each incident ?
Incident : Data Breach MON205019123
Entity Name: Montefiore Medical Center
Entity Type: Healthcare Provider
Industry: Healthcare
Customers Affected: 4000
Incident : Data Breach MON632080425
Entity Name: Montefiore Health System
Entity Type: Healthcare Provider
Industry: Healthcare
Location: California
Customers Affected: Unknown number of individuals
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Breach MON205019123
Type of Data Compromised: Personal information
Number of Records Exposed: 4000
Sensitivity of Data: High
Incident : Data Breach MON632080425
Type of Data Compromised: Names, Addresses, Social security numbers, Next of kin, Health insurance information
Number of Records Exposed: Unknown
Sensitivity of Data: High
References
Where can I find more information about each incident ?
Incident : Data Breach MON632080425
Source: California Office of the Attorney General
Date Accessed: 2015-06-18
Where can stakeholders find additional resources on cybersecurity best practices ?
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: California Office of the Attorney GeneralDate Accessed: 2015-06-18.
Additional Questions
General Information
Who was the attacking group in the last incident ?
Last Attacking Group: The attacking group in the last incident were an Former Employee and Employee.
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on July 2017.
What was the most recent incident publicly disclosed ?
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2015-06-18.
Impact of the Incidents
What was the most significant data compromised in an incident ?
Most Significant Data Compromised: The most significant data compromised in an incident were Addresses, Dates of Birth, Social Security Numbers, , names, addresses, Social Security numbers, next of kin, health insurance information and .
Data Breach Information
What was the most sensitive data compromised in a breach ?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Addresses, Dates of Birth, Social Security Numbers, names, addresses, next of kin, Social Security numbers and health insurance information.
What was the number of records exposed in the most significant breach ?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 400.0.
References
What is the most recent source of information about an incident ?
Most Recent Source: The most recent source of information about an incident is California Office of the Attorney General.
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Risk Information
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SBOM (Software Bill of Materials)
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
CMDB (Configuration Management Database)
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
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Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
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