Comparison Overview

M&T Bank

VS

Marsh McLennan

M&T Bank

345 Main St., Buffalo, 14203, US
Last Update: 2026-04-01
Between 750 and 799

Great companies have an enduring sense of purpose. At M&T, our purpose is a simple one: make a difference in people’s lives and uplift the communities we serve. Founded in 1856 in Buffalo, NY we are now a top 11 full-service US-based commercial bank with a retail footprint across the east coast and wealth services available nationwide and abroad. As a bank, we offer advice, guidance, expertise, and solutions across the entire financial spectrum that combines M&T’s traditional banking services with the wealth management and institutional capabilities offered by Wilmington Trust. We are a community-minded organization with more than 167 years of experience. We serve customers, community, and colleagues whether they be across the street, across the state or across the country. As an employer of choice, we are proud to offer competitive benefits ranging from medical and retirement to forty hours of paid volunteer time, each year. Our core values drive the work we do – integrity, ownership, collaboration, curiosity, candor and we seek to further build upon our record of success by bringing in top talent and fresh skill sets while continuing to support the growth and development of all our team members. M&T Bank is unwavering when it comes to providing equal employment opportunities to all employees and applicants without regard to race, color, national origin, religion, ethnicity, sex, gender identity, age, disability, citizenship, pregnancy, veteran status, military status, marital status, sexual orientation, genetic information or any other characteristic protected under applicable federal, state or local laws.

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 30,274
Subsidiaries: 2
12-month incidents
0
Known data breaches
0
Attack type number
0

Marsh McLennan

1166 Avenue of the Americas, New York, NY, US, 10036
Last Update: 2026-03-28

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

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 45,730
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/m&t-bank.jpeg
M&T Bank
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
M&T Bank
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 M&T Bank in 2026.

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Marsh McLennan in 2026.

Incident History — M&T Bank (X = Date, Y = Severity)

M&T Bank 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/m&t-bank.jpeg
M&T Bank
Incidents

No Incident

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

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

Marsh McLennan company has historically faced a number of disclosed cyber incidents, whereas M&T Bank company has not reported any.

In the current year, Marsh McLennan company and M&T Bank company have not reported any cyber incidents.

Neither Marsh McLennan company nor M&T Bank company has reported experiencing a ransomware attack publicly.

Marsh McLennan company has disclosed at least one data breach, while M&T Bank company has not reported such incidents publicly.

Neither Marsh McLennan company nor M&T Bank company has reported experiencing targeted cyberattacks publicly.

Neither M&T Bank company nor Marsh McLennan company has reported experiencing or disclosing vulnerabilities publicly.

Neither M&T Bank nor Marsh McLennan holds any compliance certifications.

Neither company holds any compliance certifications.

M&T Bank company has more subsidiaries worldwide compared to Marsh McLennan company.

Marsh McLennan company employs more people globally than M&T Bank company, reflecting its scale as a Financial Services.

Neither M&T Bank nor Marsh McLennan holds SOC 2 Type 1 certification.

Neither M&T Bank nor Marsh McLennan holds SOC 2 Type 2 certification.

Neither M&T Bank nor Marsh McLennan holds ISO 27001 certification.

Neither M&T Bank nor Marsh McLennan holds PCI DSS certification.

Neither M&T Bank nor Marsh McLennan holds HIPAA certification.

Neither M&T Bank nor Marsh McLennan holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read in VS6ComFile!get_macro_mem_COM. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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
Description

V-SFT versions 6.2.10.0 and prior contain a stack-based buffer overflow in VS6ComFile!CSaveData::_conv_AnimationItem. Opening a crafted V7 file may lead to arbitrary code execution on the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6MemInIF!set_temp_type_default. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6ComFile!load_link_inf. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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