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Mercer

Mercer Vendor Cyber Rating & Cyber Score

marsh.com

At Mercer, A Marsh business, we’re helping our clients realize their investment objectives, shape the future of work, and enhance health and retirement outcomes for their people. As a business of Marsh, for 80 years, we’ve been helping our clients, colleagues and communities build the confidence to thrive, creating healthier and more sustainable futures. Together with Marsh Risk, Guy Carpenter, and Oliver Wyman, we help organizations build resilience and competitive advantages from every angle. With annual revenue over $24 billion and more than 90,000 colleagues in 130 countries, Marsh helps build the confidence to thrive through the power of perspective.


Mercer A.I CyberSecurity Scoring

Mercer
Company Information
Website:https://www.corporate.marsh.com/global/home.html
Employees number:22,066
Number of followers:929,738
NAICS:54
Industry Type:Professional Services
Homepage:marsh.com
Mercer Risk Score (AI oriented)
Between 750 and 799
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MercerProfessional Services
Updated:
19/05/2026
785/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
Mercer Global Score (TPRM)
xxxx
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MercerProfessional Services
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Vulnerabilities
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Findings

Mercer
MercerFair
Current Score
785Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
786Before Incident
MAY 2026
800Before Incident
APRIL 2026
800Before Incident
MARCH 2026
800Before Incident
FEBRUARY 2026
800Before Incident
JANUARY 2026
800Before Incident
DECEMBER 2025
800Before Incident
NOVEMBER 2025
800Before Incident
OCTOBER 2025
800Before Incident
SEPTEMBER 2025
800Before Incident
AUGUST 2025
800Before Incident
JULY 2025
800Before Incident
JANUARY 2020
800Before Incident
Breach
01 Jan 2020Mercer
Fidelity Investments, LPL Financial, Mercer and Ameriprise Financial: Fidelity's $2.5M Data Breach Settlement: What Clients Should Know

Fidelity Investments Data Breach and Fine

738After Incident
CRITICAL-62
FIDLPLAMEMER1779194480
Fidelity Fined $1.25M Over Data Breach as Financial Sector Faces Rising Cybersecurity Risks A recent data breach at Fidelity Investments has resulted in a $1.25 million fine, highlighting growing cybersecurity vulnerabilities in the financial services sector. The breach, which exposed sensitive client information, was part of a broader pattern of cyber incidents affecting major firms, including Ameriprise Financial and Mercer, both of which have faced legal and regulatory repercussions. Key Details: - Fidelity’s Breach & Fine: The company was penalized for failing to adequately protect customer data, though specifics of the breach such as the number of affected individuals remain undisclosed. The fine follows a separate $2.5 million settlement related to an earlier incident. - Ameriprise Breach: Nearly 48,000 clients were impacted by a data exposure, though the company has not released full details on the cause or scope. - Mercer’s Legal Challenges: The consulting firm is facing lawsuits over a data breach, underscoring the legal and financial risks of cybersecurity failures. - LPL Financial Incident: A phishing attack led to unauthorized transactions, demonstrating how social engineering remains a persistent threat to financial institutions. Broader Impact: These incidents reflect escalating cyber threats targeting wealth management, investment advisory, and insurance firms. Regulatory scrutiny is intensifying, with fines and legal actions serving as a warning to the industry. The breaches also raise concerns about the exposure of Social Security numbers, client financial records, and other sensitive data, which could lead to identity theft or fraud. As financial firms grapple with evolving cyber risks, the fallout from these breaches underscores the need for stronger security measures and compliance protocols.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Financial Loss: $1.25 million (fine)Data Compromised: Sensitive client information, Social Security numbers, client financial recordsBrand Reputation Impact: YesLegal Liabilities: Yes (lawsuits for Mercer, fines for Fidelity)Identity Theft Risk: Yes
DATA BREACH
Type Of Data Compromised: Sensitive client information, Social Security numbers, client financial recordsSensitivity Of Data: HighPersonally Identifiable Information: Yes

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