Comparison Overview

Marsh McLennan

VS

Discover

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

Discover

2500 Lake Cook Road, None, Riverwoods, IL, US, 60015
Last Update: 2025-12-11
Between 650 and 699

Discover® is now part of Capital One. Together, we’ll continue to deliver exceptional financial products and experiences, drive innovation, and serve customers. Find the latest updates at https://capitalonediscover.com. Discover is one of the most recognized brands in the U.S. with the Discover® card, America's cash rewards pioneer, and offers personal loans, home loans, checking and savings accounts and certificates of deposit. The Discover Global Network® is comprised of Discover Network, with millions of merchants and cash access locations; PULSE®, one of the nation's leading ATM/debit networks; and Diners Club International®, a global payments network with acceptance around the world.

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 21,528
Subsidiaries: 0
12-month incidents
0
Known data breaches
33
Attack type number
2

Compliance Badges Comparison

Security & Compliance Standards Overview

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
https://images.rankiteo.com/companyimages/discover-financial-services.jpeg
Discover
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
Marsh McLennan
100%
Compliance Rate
0/4 Standards Verified
Discover
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Marsh McLennan in 2025.

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Discover in 2025.

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

Marsh McLennan cyber incidents detection timeline including parent company and subsidiaries

Incident History — Discover (X = Date, Y = Severity)

Discover cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

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
https://images.rankiteo.com/companyimages/discover-financial-services.jpeg
Discover
Incidents

Date Detected: 9/2020
Type:Breach
Attack Vector: Inadvertent Disclosure
Blog: Blog

Date Detected: 8/2018
Type:Breach
Blog: Blog

Date Detected: 1/2018
Type:Breach
Blog: Blog

FAQ

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

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

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

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

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

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

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

Neither Marsh McLennan nor Discover holds any compliance certifications.

Neither company holds any compliance certifications.

Neither Marsh McLennan company nor Discover company has publicly disclosed detailed information about the number of their subsidiaries.

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

Neither Marsh McLennan nor Discover holds SOC 2 Type 1 certification.

Neither Marsh McLennan nor Discover holds SOC 2 Type 2 certification.

Neither Marsh McLennan nor Discover holds ISO 27001 certification.

Neither Marsh McLennan nor Discover holds PCI DSS certification.

Neither Marsh McLennan nor Discover holds HIPAA certification.

Neither Marsh McLennan nor Discover 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