Comparison Overview

CNA Insurance

VS

Marsh McLennan Agency

CNA Insurance

151 N Franklin St, None, Chicago, Illinois, US, 60606
Last Update: 2025-12-01
Between 650 and 699

CNA is one of the largest U.S. commercial property and casualty insurance companies. Backed by more than 125 years of experience, CNA provides a broad range of standard and specialized insurance products and services for businesses and professionals in the U.S., Canada and Europe.

NAICS: 524
NAICS Definition: Insurance Carriers and Related Activities
Employees: 7,222
Subsidiaries: 2
12-month incidents
0
Known data breaches
1
Attack type number
2

Marsh McLennan Agency

360 Hamilton Ave, White Plains, New York, US
Last Update: 2025-12-01
Between 750 and 799

Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, retirement & wealth, and private client insurance solutions to organizations and individuals seeking limitless possibilities. With over 15,000+ colleagues and 300+ offices across the United States and Canada, MMA combines the personalized service model of a local consultant with the global resources and expertise of the world’s leading professional services firm, Marsh McLennan (NYSE: MMC). MMA generates more than $5 billion in annualized revenue, making it one of the largest brokerage operations in North America.

NAICS: 524
NAICS Definition: Insurance Carriers and Related Activities
Employees: 14,428
Subsidiaries: 0
12-month incidents
0
Known data breaches
1
Attack type number
1

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/cna-insurance.jpeg
CNA Insurance
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/marsh-mclennan-agency.jpeg
Marsh McLennan Agency
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
CNA Insurance
100%
Compliance Rate
0/4 Standards Verified
Marsh McLennan Agency
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Insurance Industry Average (This Year)

No incidents recorded for CNA Insurance in 2025.

Incidents vs Insurance Industry Average (This Year)

No incidents recorded for Marsh McLennan Agency in 2025.

Incident History — CNA Insurance (X = Date, Y = Severity)

CNA Insurance cyber incidents detection timeline including parent company and subsidiaries

Incident History — Marsh McLennan Agency (X = Date, Y = Severity)

Marsh McLennan Agency cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/cna-insurance.jpeg
CNA Insurance
Incidents

Date Detected: 3/2021
Type:Breach
Blog: Blog

Date Detected: 3/2021
Type:Ransomware
Blog: Blog

Date Detected: 3/2021
Type:Ransomware
Attack Vector: Network Access
Motivation: Financial
Blog: Blog
https://images.rankiteo.com/companyimages/marsh-mclennan-agency.jpeg
Marsh McLennan Agency
Incidents

Date Detected: 3/2021
Type:Breach
Blog: Blog

FAQ

Marsh McLennan Agency company demonstrates a stronger AI Cybersecurity Score compared to CNA Insurance company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

CNA Insurance company has faced a higher number of disclosed cyber incidents historically compared to Marsh McLennan Agency company.

In the current year, Marsh McLennan Agency company and CNA Insurance company have not reported any cyber incidents.

CNA Insurance company has confirmed experiencing a ransomware attack, while Marsh McLennan Agency company has not reported such incidents publicly.

Both Marsh McLennan Agency company and CNA Insurance company have disclosed experiencing at least one data breach.

Neither Marsh McLennan Agency company nor CNA Insurance company has reported experiencing targeted cyberattacks publicly.

Neither CNA Insurance company nor Marsh McLennan Agency company has reported experiencing or disclosing vulnerabilities publicly.

Neither CNA Insurance nor Marsh McLennan Agency holds any compliance certifications.

Neither company holds any compliance certifications.

CNA Insurance company has more subsidiaries worldwide compared to Marsh McLennan Agency company.

Marsh McLennan Agency company employs more people globally than CNA Insurance company, reflecting its scale as a Insurance.

Neither CNA Insurance nor Marsh McLennan Agency holds SOC 2 Type 1 certification.

Neither CNA Insurance nor Marsh McLennan Agency holds SOC 2 Type 2 certification.

Neither CNA Insurance nor Marsh McLennan Agency holds ISO 27001 certification.

Neither CNA Insurance nor Marsh McLennan Agency holds PCI DSS certification.

Neither CNA Insurance nor Marsh McLennan Agency holds HIPAA certification.

Neither CNA Insurance nor Marsh McLennan Agency holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it. Prior to 2.9.8, there is a security issue exists in the exec_in_pod tool of the mcp-server-kubernetes MCP Server. The tool accepts user-provided commands in both array and string formats. When a string format is provided, it is passed directly to shell interpretation (sh -c) without input validation, allowing shell metacharacters to be interpreted. This vulnerability can be exploited through direct command injection or indirect prompt injection attacks, where AI agents may execute commands without explicit user intent. This vulnerability is fixed in 2.9.8.

Risk Information
cvss3
Base: 6.4
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Description

XML external entity (XXE) injection in eyoucms v1.7.1 allows remote attackers to cause a denial of service via crafted body of a POST request.

Description

An issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on the local network to access administrative functions of the device (e.g. file upload, firmware update, reboot...) via a crafted authentication bypass.

Description

Cal.com is open-source scheduling software. Prior to 5.9.8, A flaw in the login credentials provider allows an attacker to bypass password verification when a TOTP code is provided, potentially gaining unauthorized access to user accounts. This issue exists due to problematic conditional logic in the authentication flow. This vulnerability is fixed in 5.9.8.

Risk Information
cvss4
Base: 9.9
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float poing number into the toFixed() function, it might lead to high CPU consumption and a potential Denial of Service. Small numbers go through this call stack: NativeNumber.numTo > DToA.JS_dtostr > DToA.JS_dtoa > DToA.pow5mult where pow5mult attempts to raise 5 to a ridiculous power. This vulnerability is fixed in 1.8.1, 1.7.15.1, and 1.7.14.1.

Risk Information
cvss4
Base: 5.5
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X