Marsh Company Cyber Security Posture
marsh.comWe help our clients and colleagues grow — and our communities thrive — by protecting and promoting Possibility. We seek better ways to manage risk and define more effective paths to the right outcome. We go beyond risk to rewards for our clients, our company, our colleagues, and the communities in which we serve. Marsh, a business of Marsh McLennan (NYSE: MMC), is the world’s top insurance broker and risk advisor. Marsh McLennan 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.
Marsh Company Details
marsh
27488 employees
682847.0
524
Insurance
marsh.com
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MAR_2817045
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Marsh Risk Score (AI oriented)Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.
Marsh Global Score.png)
Marsh Company Scoring based on AI Models
| Model Name | Date | Description | Current Score Difference | Score |
|---|---|---|---|---|
| AVERAGE-Industry | 03-12-2025 | This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers. | N/A | Between 900 and 1000 |
Marsh Company Cyber Security News & History
| Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
|---|---|---|---|---|---|---|---|
| Marsh McLennan | Data Leak | 50 | 2 | 04/2021 | MAR18242223 | Link | |
Rankiteo Explanation : Attack limited on finance or reputationDescription: Marsh & McLennan Cos. Inc. was hit by a data breach in April involving access to Social Security numbers and other personal information of staff, former staff, clients and a range of other people linked to the brokerage. Marsh McLennan notified that the breach involved a limited set of data and it reset system access rights and imposed additional restrictions. The information involved included names, Social Security numbers or other federal tax identification numbers. The company offered complimentary credit monitoring for two years, identity theft detection and resolution services and up to $1 million in identity theft insurance coverage. | |||||||
Marsh Company Subsidiaries
We help our clients and colleagues grow — and our communities thrive — by protecting and promoting Possibility. We seek better ways to manage risk and define more effective paths to the right outcome. We go beyond risk to rewards for our clients, our company, our colleagues, and the communities in which we serve. Marsh, a business of Marsh McLennan (NYSE: MMC), is the world’s top insurance broker and risk advisor. Marsh McLennan 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.
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Marsh Cyber Security News
Understanding cyber events: A model for reducing frequency and increasing resilience
This study analyzes data and explores how it can inform models of potential cyber risk frequency.
Dark web exposure is ‘highly correlated’ with cyberattack risk
Organizations that are mentioned in dark web market listings are more than twice as likely to experience an attack, Marsh McLennan found.
Marsh McLennan-Zurich whitepaper flags growing cyber risk protection gaps, issues call to action
Marsh McLennan-Zurich whitepaper flags growing cyber risk protection gaps, issues call to action. September 10, 2024
Marsh highlights cybersecurity gap between SMEs and large organisations in the EU
SMEs in the European Union (EU) are, on average, 15% behind larger organisations when it comes to cybersecurity controls.
Marsh: SMEs lag behind large firms in cybersecurity resilient in Europe
Allianz Global Corporate & Specialty (AGCS) has named Paul O'Neill as chief underwriting specialty, effective 1 October.
Katherine Keefe to lead Global Cyber Insurance Capabilities
Katherine Keefe will be joining Kroll as Managing Director and Global Cyber Insurance Industry Lead for Kroll's cyber insurance capabilities worldwide.
Marsh enhances cyber risk capacity with Cyber Echo Encore
This new offering provides Marsh clients with the option to access up to $45m in additional cyber insurance capacity. March 18, 2025. Share.
Study Finds Dark Web Exposure Increases the Risk of a Cyberattack
The Marsh McLennan Cyber Risk Intelligence Center studied whether there was a correlation between data breaches and findings on the dark web for ...
Third-party cyber risks impact all organizations
73% of organizations have experienced significant disruption caused by a third party, whether it be a data breach or ethical violation.
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What Do We Measure?
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
