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Diocese of Cleveland

Diocese of Cleveland Vendor Cyber Rating & Cyber Score

https://www.dioceseofcleveland.org

The Roman Catholic Diocese of Cleveland serves the people of the 8 counties located in northeast Ohio. We welcome everyone who works or is interested in the mission of the Catholic Church in Northeast Ohio.


DC A.I CyberSecurity Scoring

DC
Company Information
Website:https://www.dioceseofcleveland.org
Employees number:328
Number of followers:840
NAICS:8131
Industry Type:Religious Institutions
Homepage:https://www.dioceseofcleveland.org
DC Risk Score (AI oriented)
Between 700 and 749
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DCReligious Institutions
Updated:
07/03/2026
724/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
DC Global Score (TPRM)
xxxx
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DCReligious Institutions
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Score locked
Instant access to detailed risk factors
Vulnerabilities
Benchmark vs. industry & size peers
Findings

DC
DCModerate
Current Score
724Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
727Before Incident
JUNE 2026
726Before Incident
MAY 2026
725Before Incident
APRIL 2026
725Before Incident
MARCH 2026
724Before Incident
FEBRUARY 2026
724Before Incident
JANUARY 2026
723Before Incident
DECEMBER 2025
722Before Incident
NOVEMBER 2025
722Before Incident
OCTOBER 2025
721Before Incident
SEPTEMBER 2025
720Before Incident
AUGUST 2025
720Before Incident
DECEMBER 2023
765Before Incident
Breach
14 Dec 2023DC
Catholic Diocese of Cleveland

Data Breach at Catholic Diocese of Cleveland

701After Incident
HIGH-64
DIO020091825
On April 29, 2024, the Vermont Office of the Attorney General disclosed a data breach affecting the Catholic Diocese of Cleveland. The incident occurred between December 14, 2023, and January 12, 2024, when unauthorized actors gained access to an employee’s business email account. The breach may have exposed personal information, including names, though the exact number of impacted individuals remains undetermined. The compromised email account suggests potential risks of phishing or credential theft, leading to unauthorized data access. While the full scope of the breach is still under investigation, the exposure of employee-related communications raises concerns about internal data security protocols and the possibility of further exploitation of sensitive information. The Diocese has not confirmed whether additional details—such as financial records, contact information, or other personally identifiable data—were accessed, but the incident underscores vulnerabilities in email security and employee account protection.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesEmployee Business Email AccountIdentity Theft Risk: Potential
DATA BREACH
Personal Information (Names)Number Of Records Exposed: UnknownSensitivity Of Data: Moderate

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