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Marsh McLennan Agency

Marsh McLennan Agency Vendor Cyber Rating & Cyber Score

marshmma.com

Marsh McLennan Agency, a business of Marsh (NYSE: MRSH), is a leading provider of business insurance, employee health & benefits, retirement & wealth, and private client insurance solutions across the US and Canada. Marsh is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information about Marsh McLennan Agency, visit marshmma.com.


MMA A.I CyberSecurity Scoring

MMA
Company Information
Website:https://www.marshmma.com/
Employees number:14,372
Number of followers:186,339
NAICS:524
Industry Type:Insurance
Homepage:marshmma.com
MMA Risk Score (AI oriented)
Between 750 and 799
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MMAInsurance
Updated:
03/04/2026
758/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
MMA Global Score (TPRM)
xxxx
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MMAInsurance
•••
Score locked
Instant access to detailed risk factors
Vulnerabilities
Benchmark vs. industry & size peers
Findings

MMA
MMAFair
Current Score
758Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
759Before Incident
JUNE 2026
759Before Incident
MAY 2026
759Before Incident
APRIL 2026
759Before Incident
MARCH 2026
761Before Incident
FEBRUARY 2026
761Before Incident
JANUARY 2026
761Before Incident
DECEMBER 2025
761Before Incident
NOVEMBER 2025
760Before Incident
OCTOBER 2025
760Before Incident
SEPTEMBER 2025
759Before Incident
AUGUST 2025
759Before Incident
MARCH 2021
777Before Incident
Breach
26 Mar 2021MMA
MMA Operations, Inc.

Data Breach at MMA Operations, Inc.

721After Incident
HIGH-56
MAR401072525
The California Office of the Attorney General reported a data breach involving MMA Operations, Inc. on September 1, 2022. The breach was discovered on March 26, 2021, and again on February 23, 2022, potentially affecting personal information of individuals, though the specific number of affected individuals is unknown. The breach involved the unauthorized access to personal information, which could include sensitive data such as names, addresses, and other personal identifiers. The exact nature and extent of the compromised data are not specified, but the incident highlights the vulnerability of personal information in the digital age.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Data Compromised: Personal Information
DATA BREACH
Type Of Data Compromised: Personal Information

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