What is the official website of Marsh McLennan ?

The official website of Marsh McLennan is http://www.corporate.marsh.com.

What is Marsh McLennan's cybersecurity risk score?

Marsh McLennan has an AI-generated cybersecurity risk score of 810 out of 1000, indicating a Good security posture according to Rankiteo's assessment.

How many security incidents has Marsh McLennan experienced?

According to Rankiteo, Marsh McLennan currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has Marsh McLennan been affected by any supply chain cyber incidents ?

According to Rankiteo, Marsh McLennan has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.

Does Marsh McLennan have SOC 2 Type 1 certification ?

According to Rankiteo, Marsh McLennan is not certified under SOC 2 Type 1.

Does Marsh McLennan have SOC 2 Type 2 certification ?

According to Rankiteo, Marsh McLennan does not hold a SOC 2 Type 2 certification.

Does Marsh McLennan comply with GDPR ?

According to Rankiteo, Marsh McLennan is not listed as GDPR compliant.

Does Marsh McLennan have PCI DSS certification ?

According to Rankiteo, Marsh McLennan does not currently maintain PCI DSS compliance.

Does Marsh McLennan comply with HIPAA ?

According to Rankiteo, Marsh McLennan is not compliant with HIPAA regulations.

Does Marsh McLennan have ISO 27001 certification ?

According to Rankiteo,Marsh McLennan is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does Marsh McLennan operate in ?

Marsh McLennan operates primarily in the Financial Services industry.

How many employees does Marsh McLennan have ?

Marsh McLennan employs approximately 45,730 people worldwide.

Does Marsh McLennan own any subsidiaries ?

Marsh McLennan presently has no subsidiaries across any sectors.

How many LinkedIn followers does Marsh McLennan have ?

Marsh McLennan's official LinkedIn profile has approximately 937,946 followers.

What is the NAICS classification code for Marsh McLennan ?

Marsh McLennan is classified under the NAICS code 52, which corresponds to Finance and Insurance.

Does Marsh McLennan have a Crunchbase profile ?

No, Marsh McLennan does not have a profile on Crunchbase.

Does Marsh McLennan have a LinkedIn profile ?

Yes, Marsh McLennan maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/marshmclennan.

How many cybersecurity incidents has Marsh McLennan experienced ?

As of August 21, 2026, Rankiteo reports that Marsh McLennan has experienced 2 cybersecurity incidents.

How many peer or competitor companies does Marsh McLennan have ?

Marsh McLennan has an estimated 32,556 peer or competitor companies worldwide.

What types of cybersecurity incidents has Marsh McLennan faced ?

Incident Types: The types of cybersecurity incidents that have occurred include Breach and Data Leak.

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Marsh McLennan

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810

/1000

Good

835

/1000

Good

Marsh McLennan Vendor Cyber Rating & Cyber Score

marsh.com

Add Your Compliance Badge

Marsh (NYSE: MRSH) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh Risk, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective

Marsh McLennan A.I CyberSecurity Scoring

Scoring History

Marsh McLennan

Marsh McLennan CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

Marsh McLennan

Data Leak

04/2021

MAR18242223

Marsh McLennan

Breach

6/2013

MAR307072525

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A.I.

Marsh McLennan Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for Marsh McLennan

Incidents vs Financial Services Industry Avg (This Year)

No incidents recorded for Marsh McLennan in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Marsh McLennan in 2026.

Incident Types Marsh McLennan vs Financial Services Industry Avg (This Year)

No incidents recorded for Marsh McLennan in 2026.

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

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SUBSIDIARY

Marsh McLennan Subsidiaries

Parent Company

Marsh McLennan

Financial Services

Website: http://www.corporate.marsh.com

Company Size: 10,000+ employees

No subsidiary data available for this company.

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NEWS

Marsh McLennan CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

June 15, 2026 07:00 AM

Cybersecurity Forum: Risks Up, Insurance Costs Down

Our US correspondent attended last week's FWR Family Office Cybersecurity Forum in New York, hearing experts discuss the state of...

Read Article

June 08, 2026 07:00 AM

Cyber insurance policyholders facing heavier scrutiny in underwriting, claims

A multiyear lull in insurance rates and insurers' over-dependence on large U.S. policyholders have led to more restrictions and exclusions...

Read Article

May 01, 2026 07:00 AM

10 cybersecurity trends to watch in 2026 and beyond

Stay ahead with 2026 cybersecurity trends, including AI attacks, cloud risks, quantum threats, and next-gen ransomware. Find out more.

Read Article

February 22, 2026 08:00 AM

Zero Trust: The effort that can protect against 95% of cyber attacks (Dayton expert)

A cybersecurity expert explains how Zero Trust protects against data theft and why most breaches succeed because security policies fail.

Read Article

January 08, 2026 04:39 PM

Reuters: Dan Glaser on the Future of Insurance

“This is the age of risk.” Dan Glaser, President & CEO of Marsh & McLennan Companies shares his views on the internal and external trends shaping the...

Read Article

January 08, 2026 04:39 PM

2022 Marsh McLennan Semi-annual Cyber Handbook: 2nd Installment

The Marsh McLennan Cyber Handbook features perspectives from business leaders across Marsh McLennan who represent some of our best thinking about cyber...

Read Article

December 09, 2025 08:00 AM

Nearly two-thirds of organisations to increase cybersecurity investments in 2026: Marsh

Nearly two-thirds (66%) of organisations worldwide plan to increase their cybersecurity investments in the coming year amid today's evolving...

Read Article

October 30, 2025 07:00 AM

Ransomware, hackers targeting Israeli small businesses

Ransomware attackers have shifted to 'softer' targets in their attempts at disrupting Israeli and Western economies and national security...

Read Article

October 30, 2025 07:00 AM

Don’t Be Tricked by Open Ports: Unmasking Hidden Cyber Dangers

Unused open ports on your network increase your chances of experiencing a data breach. Learn about the role of open ports in today's threat...

Read Article

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-77648

SUMMARY

In OpenStack Glance through 32.0.0, the /v2/tasks API accepts type=import tasks that bypass import_filtering_opts, allowing an admin to fetch internal URLs from the Glance service network (aka SSRF), as long as https:// or http:// is used. This API has been available only to admins since Xena, and it has been deprecated for several releases.

Published

Date2026-08-20

Updated

Date2026-08-20

RISK INFORMATION (Score: 2.2)

cvss3

Base Score: 2.2

Complexity: HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Impact Score

1.4

Exploitability

0.7

REFERENCES

CVE-2026-77647

SUMMARY

SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.

Published

Date2026-08-20

Updated

Date2026-08-20

RISK INFORMATION (Score: 9.8)

cvss3

Base Score: 9.8

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score

5.9

Exploitability

3.9

REFERENCES

CVE-2026-77113

SUMMARY

Path traversal in apport-unpack in Canonical Apport before 2.36.0, 2.34.2, and 2.28.4 on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files.

Published

Date2026-08-20

Updated

Date2026-08-20

RISK INFORMATION (Score: )

cvss4

Base Score: 6.7

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/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

Impact Score

Exploitability

REFERENCES

CVE-2026-77646

SUMMARY

A Server-Side Request Forgery (SSRF) vulnerability has been reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Published

Date2026-08-20

Updated

Date2026-08-20

RISK INFORMATION (Score: )

cvss4

Base Score: 7.7

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/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:Y/R:U/V:D/RE:M/U:Red

Impact Score

Exploitability

REFERENCES

https://www.ptc.com/en/support/article/CS474826

CVE-2026-77645

SUMMARY

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Published

Date2026-08-20

Updated

Date2026-08-20

RISK INFORMATION (Score: )

cvss4

Base Score: 9.2

Complexity: HIGH

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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:Y/R:U/V:C/RE:M/U:Red

Impact Score

Exploitability

REFERENCES

https://www.ptc.com/en/support/article/CS474826

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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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