Comparison Overview

Morgan Stanley

VS

Marsh McLennan

Morgan Stanley

1585 Broadway, None, New York, NY, US, 10036
Last Update: 2025-12-09
Between 800 and 849

Morgan Stanley (NYSE: MS) is a leading global financial services firm providing a wide range of investment banking, securities, wealth management and investment management services. With offices in 42 countries, our firm's employees serve clients worldwide including corporations, governments, institutions and individuals. We are committed to maintaining the first-class service and high standard of excellence that have always defined the firm and everything we do is guided by our five core values: Do the right thing, put clients first, lead with exceptional ideas, commit to diversity and inclusion, and give back.

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 94,632
Subsidiaries: 5
12-month incidents
0
Known data breaches
3
Attack type number
2

Marsh McLennan

1166 Avenue of the Americas, None, New York, NY, US, 10036
Last Update: 2025-12-11

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $23 billion and more than 85,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. Follow us on X at @MarshMcLennan.

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 67,727
Subsidiaries: 0
12-month incidents
0
Known data breaches
1
Attack type number
2

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/morgan-stanley.jpeg
Morgan Stanley
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/marshmclennan.jpeg
Marsh McLennan
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
Morgan Stanley
100%
Compliance Rate
0/4 Standards Verified
Marsh McLennan
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Morgan Stanley in 2025.

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Marsh McLennan in 2025.

Incident History — Morgan Stanley (X = Date, Y = Severity)

Morgan Stanley cyber incidents detection timeline including parent company and subsidiaries

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

Marsh McLennan cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/morgan-stanley.jpeg
Morgan Stanley
Incidents

Date Detected: 02/2022
Type:Cyber Attack
Attack Vector: Vishing
Motivation: Financial gain
Blog: Blog

Date Detected: 07/2021
Type:Breach
Attack Vector: Ransomware attack via third-party vendor
Blog: Blog

Date Detected: 1/2021
Type:Breach
Attack Vector: Unauthorized Access
Blog: Blog
https://images.rankiteo.com/companyimages/marshmclennan.jpeg
Marsh McLennan
Incidents

Date Detected: 04/2021
Type:Data Leak
Blog: Blog

Date Detected: 6/2013
Type:Breach
Attack Vector: Unauthorized Access
Blog: Blog

FAQ

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

Morgan Stanley company has faced a higher number of disclosed cyber incidents historically compared to Marsh McLennan company.

In the current year, Marsh McLennan company and Morgan Stanley company have not reported any cyber incidents.

Neither Marsh McLennan company nor Morgan Stanley company has reported experiencing a ransomware attack publicly.

Both Marsh McLennan company and Morgan Stanley company have disclosed experiencing at least one data breach.

Morgan Stanley company has reported targeted cyberattacks, while Marsh McLennan company has not reported such incidents publicly.

Neither Morgan Stanley company nor Marsh McLennan company has reported experiencing or disclosing vulnerabilities publicly.

Neither Morgan Stanley nor Marsh McLennan holds any compliance certifications.

Neither company holds any compliance certifications.

Morgan Stanley company has more subsidiaries worldwide compared to Marsh McLennan company.

Morgan Stanley company employs more people globally than Marsh McLennan company, reflecting its scale as a Financial Services.

Neither Morgan Stanley nor Marsh McLennan holds SOC 2 Type 1 certification.

Neither Morgan Stanley nor Marsh McLennan holds SOC 2 Type 2 certification.

Neither Morgan Stanley nor Marsh McLennan holds ISO 27001 certification.

Neither Morgan Stanley nor Marsh McLennan holds PCI DSS certification.

Neither Morgan Stanley nor Marsh McLennan holds HIPAA certification.

Neither Morgan Stanley nor Marsh McLennan holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

A weakness has been identified in itsourcecode Online Pet Shop Management System 1.0. This vulnerability affects unknown code of the file /pet1/addcnp.php. This manipulation of the argument cnpname causes sql injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.

Risk Information
cvss2
Base: 7.5
Severity: LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
cvss3
Base: 7.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
cvss4
Base: 6.9
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Description

A security flaw has been discovered in Tenda AX9 22.03.01.46. This affects the function image_check of the component httpd. The manipulation results in use of weak hash. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be exploited.

Risk Information
cvss2
Base: 2.6
Severity: HIGH
AV:N/AC:H/Au:N/C:N/I:P/A:N
cvss3
Base: 3.7
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
cvss4
Base: 6.3
Severity: HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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
Description

A weakness has been identified in code-projects Student File Management System 1.0. This issue affects some unknown processing of the file /admin/update_student.php. This manipulation of the argument stud_id causes sql injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.

Risk Information
cvss2
Base: 7.5
Severity: LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
cvss3
Base: 7.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
cvss4
Base: 6.9
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Description

A security flaw has been discovered in code-projects Student File Management System 1.0. This vulnerability affects unknown code of the file /admin/save_user.php. The manipulation of the argument firstname results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be exploited.

Risk Information
cvss2
Base: 7.5
Severity: LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
cvss3
Base: 7.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
cvss4
Base: 6.9
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Description

A vulnerability was identified in code-projects Student File Management System 1.0. This affects an unknown part of the file /admin/update_user.php. The manipulation of the argument user_id leads to sql injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Risk Information
cvss2
Base: 7.5
Severity: LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
cvss3
Base: 7.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
cvss4
Base: 6.9
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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