CH
Company Details
Linkedin ID:
city-of-hope
Website:
Employees number:
11,858
Number of followers:
138,834
NAICS:
62
Industry Type:
Homepage:
cityofhope.org
IP Addresses:
57
Company ID:
CIT_3094536
Scan Status:
Completed
City of Hope Company CyberSecurity Posture
cityofhope.org
City of Hope's mission is to deliver the cures of tomorrow to the people who need them today. Founded in 1913, City of Hope has grown into one of the largest cancer research and treatment organizations in the U.S. and one of the leading research centers for diabetes and other life-threatening illnesses. City of Hope research has been the basis for numerous breakthrough cancer medicines, as well as human synthetic insulin and monoclonal antibodies. With an independent, National Cancer Institute-designated comprehensive cancer center at its core, City of Hope brings a uniquely integrated model to patients spanning cancer care, research and development, academics and training, and innovation initiatives. City of Hope’s growing national system includes its Los Angeles campus, a network of clinical care locations across Southern California, a new cancer center in Orange County, California, and treatment facilities in Atlanta, Chicago and Phoenix. City of Hope’s affiliated group of organizations includes Translational Genomics Research Institute and AccessHope™.
City of Hope A.I CyberSecurity Scoring
CH Risk Score (AI oriented)Between 700 and 749
CH
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CH Global Score (TPRM)XXXX
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CH Company CyberSecurity News & History
Past Incidents
3
Attack Types
2
City of Hope
Breach
Rankiteo Explanation
Attack with significant impact with internal employee data leaks
Description: The California Office of the Attorney General reported that City of Hope experienced a phishing email incident that compromised the email accounts of four staff members on May 31 and June 2, 2017. The breach potentially exposed protected health information (PHI) of individuals, including names and medical record information. The report was made on August 3, 2017.
City of Hope
Breach
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: The California Office of the Attorney General reported that City of Hope experienced a data breach involving unauthorized access to systems resulting in potential exposure of personal information between September 19, 2023, and October 12, 2023. The breach was reported on April 2, 2024, and is believed to have affected various personal information types including names, contact information, and financial details; the exact number of individuals affected is unspecified.
City of Hope
Cyber Attack
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: On April 2, 2024, the Washington State Office of the Attorney General reported a data breach involving City of Hope. The breach, which affected 3,784 Washington residents, resulted from a cyberattack that began on September 19, 2023, and was discovered on October 13, 2023. The compromised information may include names, Social Security numbers, and medical records.
CH 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 CH
Incidents vs Hospitals and Health Care Industry Average (This Year)
No incidents recorded for City of Hope in 2025.
Incidents vs All-Companies Average (This Year)
No incidents recorded for City of Hope in 2025.
Incident Types CH vs Hospitals and Health Care Industry Avg (This Year)
No incidents recorded for City of Hope in 2025.
Incident History — CH (X = Date, Y = Severity)
CH cyber incidents detection timeline including parent company and subsidiaries
CH Company Subsidiaries
City of Hope's mission is to deliver the cures of tomorrow to the people who need them today. Founded in 1913, City of Hope has grown into one of the largest cancer research and treatment organizations in the U.S. and one of the leading research centers for diabetes and other life-threatening illnesses. City of Hope research has been the basis for numerous breakthrough cancer medicines, as well as human synthetic insulin and monoclonal antibodies. With an independent, National Cancer Institute-designated comprehensive cancer center at its core, City of Hope brings a uniquely integrated model to patients spanning cancer care, research and development, academics and training, and innovation initiatives. City of Hope’s growing national system includes its Los Angeles campus, a network of clinical care locations across Southern California, a new cancer center in Orange County, California, and treatment facilities in Atlanta, Chicago and Phoenix. City of Hope’s affiliated group of organizations includes Translational Genomics Research Institute and AccessHope™.
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CH CyberSecurity News
November 24, 2025 07:43 AM
City of Hope aims to ‘reestablish the standard of care’
As City of Hope prepares to open its new hospital in Orange County, California next week, Dr. Ed Kim says he's excited about the...
October 31, 2025 07:00 AM
$8.5M City of Hope data breach settlement
City of Hope has agreed to a $8.5 million class action settlement to resolve claims it failed to prevent a 2023 data breach that compromised...
October 21, 2025 07:00 AM
City of Hope Settles Class Action Data Breach Lawsuit
City of Hope, a Duarte, California-based non-profit clinical research and cancer treatment center, has agreed to settle a class action...
July 08, 2024 07:00 AM
Leadership announcement: Yeman Collier to depart; interim CIO appointed
Yeman Collier, vice president and chief information officer, will be leaving UT Health San Antonio to join the University of Chicago Medicine as their senior...
April 26, 2024 07:00 AM
Kaiser Permanente notifies 13.4 million members of data breach. City of Hope also reported breach
Health insurance giant Kaiser Permanente apologized to 13.4 million of its members, telling them that some of their search information may have been...
April 05, 2024 05:59 AM
City Of Hope Data Breach: Names, Medical Records Exposed
The City of Hope data breach has impacted a staggering number of individuals, with over 800000 individuals falling victim to the breach.
April 04, 2024 07:00 AM
City of Hope discloses data breach impacting 827K patients' personal and health information
City of Hope, a cancer hospital operator and clinical research organization, disclosed a data breach that potentially compromised the personal and health...
April 03, 2024 07:00 AM
Nearly 1M medical records feared stolen from City of Hope cancer centers
Nearly one million individuals' personal details, financial account information, and medical records may well have been stolen from City of Hope systems in the...
April 03, 2024 07:00 AM
Cancer treatment center City of Hope breached, 827K people exposed
Cancer treatment and research organization the City of Hope has reported a data breach affecting 827149 individuals.
Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
CH CyberSecurity History Information
Official Website of City of Hope
The official website of City of Hope is http://www.cityofhope.org.
City of Hope’s AI-Generated Cybersecurity Score
According to Rankiteo, City of Hope’s AI-generated cybersecurity score is 731, reflecting their Moderate security posture.
How many security badges does City of Hope’ have ?
According to Rankiteo, City of Hope currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does City of Hope have SOC 2 Type 1 certification ?
According to Rankiteo, City of Hope is not certified under SOC 2 Type 1.
Does City of Hope have SOC 2 Type 2 certification ?
According to Rankiteo, City of Hope does not hold a SOC 2 Type 2 certification.
Does City of Hope comply with GDPR ?
According to Rankiteo, City of Hope is not listed as GDPR compliant.
Does City of Hope have PCI DSS certification ?
According to Rankiteo, City of Hope does not currently maintain PCI DSS compliance.
Does City of Hope comply with HIPAA ?
According to Rankiteo, City of Hope is not compliant with HIPAA regulations.
Does City of Hope have ISO 27001 certification ?
According to Rankiteo,City of Hope is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of City of Hope
City of Hope operates primarily in the Hospitals and Health Care industry.
Number of Employees at City of Hope
City of Hope employs approximately 11,858 people worldwide.
Subsidiaries Owned by City of Hope
City of Hope presently has no subsidiaries across any sectors.
City of Hope’s LinkedIn Followers
City of Hope’s official LinkedIn profile has approximately 138,834 followers.
NAICS Classification of City of Hope
City of Hope is classified under the NAICS code 62, which corresponds to Health Care and Social Assistance.
City of Hope’s Presence on Crunchbase
Yes, City of Hope has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/city-of-hope.
City of Hope’s Presence on LinkedIn
Yes, City of Hope maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/city-of-hope.
Cybersecurity Incidents Involving City of Hope
As of December 11, 2025, Rankiteo reports that City of Hope has experienced 3 cybersecurity incidents.
Number of Peer and Competitor Companies
City of Hope has an estimated 30,929 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at City of Hope ?
Incident Types: The types of cybersecurity incidents that have occurred include Cyber Attack and Breach.
Incident Details
Can you provide details on each incident ?
Title: City of Hope Data Breach
Description: A data breach involving City of Hope affected 3,784 Washington residents, compromising names, Social Security numbers, and medical records.
Date Detected: 2023-10-13
Date Publicly Disclosed: 2024-04-02
Type: Data Breach
Title: City of Hope Data Breach
Description: The California Office of the Attorney General reported that City of Hope experienced a data breach involving unauthorized access to systems resulting in potential exposure of personal information between September 19, 2023, and October 12, 2023.
Date Publicly Disclosed: 2024-04-02
Type: Data Breach
Attack Vector: Unauthorized Access
Title: City of Hope Phishing Email Incident
Description: The California Office of the Attorney General reported that City of Hope experienced a phishing email incident that compromised the email accounts of four staff members on May 31 and June 2, 2017. The breach potentially exposed protected health information (PHI) of individuals, including names and medical record information.
Date Detected: 2017-05-312017-06-02
Date Publicly Disclosed: 2017-08-03
Type: Phishing
Attack Vector: Email
Vulnerability Exploited: Human
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.
How does the company identify the attack vectors used in incidents ?
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through Email.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Breach CIT107072625
Data Compromised: Names, Social security numbers, Medical records
Incident : Data Breach CIT911072625
Data Compromised: Names, Contact information, Financial details
Incident : Phishing CIT223072925
Data Compromised: Protected Health Information (PHI)
Systems Affected: Email accounts
What types of data are most commonly compromised in incidents ?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Names, Social Security Numbers, Medical Records, , Names, Contact Information, Financial Details, and Protected Health Information (PHI).
Which entities were affected by each incident ?
Incident : Data Breach CIT107072625
Entity Name: City of Hope
Entity Type: Healthcare
Industry: Healthcare
Location: Washington
Customers Affected: 3784
Incident : Data Breach CIT911072625
Entity Name: City of Hope
Entity Type: Healthcare
Industry: Healthcare
Location: California
Incident : Phishing CIT223072925
Entity Name: City of Hope
Entity Type: Healthcare
Industry: Healthcare
Location: California
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Breach CIT107072625
Type of Data Compromised: Names, Social security numbers, Medical records
Number of Records Exposed: 3784
Sensitivity of Data: High
Incident : Data Breach CIT911072625
Type of Data Compromised: Names, Contact information, Financial details
Incident : Phishing CIT223072925
Type of Data Compromised: Protected Health Information (PHI)
Sensitivity of Data: High
Personally Identifiable Information: Names, Medical Record Information
References
Where can I find more information about each incident ?
Incident : Data Breach CIT107072625
Source: Washington State Office of the Attorney General
Date Accessed: 2024-04-02
Incident : Data Breach CIT911072625
Source: California Office of the Attorney General
Date Accessed: 2024-04-02
Incident : Phishing CIT223072925
Source: California Office of the Attorney General
Date Accessed: 2017-08-03
Where can stakeholders find additional resources on cybersecurity best practices ?
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: Washington State Office of the Attorney GeneralDate Accessed: 2024-04-02, and Source: California Office of the Attorney GeneralDate Accessed: 2024-04-02, and Source: California Office of the Attorney GeneralDate Accessed: 2017-08-03.
Initial Access Broker
How did the initial access broker gain entry for each incident ?
Incident : Phishing CIT223072925
Entry Point: Email
Additional Questions
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on 2023-10-13.
What was the most recent incident publicly disclosed ?
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2017-08-03.
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 names, Social Security numbers, medical records, , names, contact information, financial details, and Protected Health Information (PHI).
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 names, financial details, medical records, Social Security numbers, contact information and Protected Health Information (PHI).
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 382.0.
References
What is the most recent source of information about an incident ?
Most Recent Source: The most recent source of information about an incident are Washington State Office of the Attorney General and California Office of the Attorney General.
Initial Access Broker
What was the most recent entry point used by an initial access broker ?
Most Recent Entry Point: The most recent entry point used by an initial access broker was an Email.
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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.
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Network Security
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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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