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Northwestern Mutual

Northwestern Mutual Vendor Cyber Rating & Cyber Score

northwesternmutual.com
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ISO 27001
SOC 2 Type 1
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At Northwestern Mutual, our financial advisors are ready to meet you where you are and stay with you long-term. Get financial clarity with a people-first plan designed to uncover new opportunities and potential blind spots. The right time to plan is right now. With $265.0 billion in assets under management, $28.1 billion in revenues, and over $1.8 trillion in life insurance protection in force, we've served more than 4.5 million people through our life, disability income, and long-term care insurance, annuities, brokerage, advisory services, trust services, and discretionary portfolio management solutions. Our wealth management company and investment services manage over $125 billion in client assets. We're proud to support our growing


Northwestern Mutual A.I CyberSecurity Scoring

Incident Details
Northwestern Mutual
Company Information
Website:http://www.northwesternmutual.com
Employees number:37,218
Number of followers:460,809
NAICS:52
Industry Type:Financial Services
Homepage:northwesternmutual.com
Cyber Premium EstimationGet Supply Chain
Northwestern Mutual Risk Score (AI oriented)
Between 650 and 699
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Northwestern MutualFinancial Services
Updated:
02/04/2026
694/1000
Weak
B
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
Northwestern Mutual Global Score (TPRM)
xxxx
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Northwestern MutualFinancial Services
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Vulnerabilities
Benchmark vs. industry & size peers
Findings

Northwestern Mutual
Northwestern MutualWeak
Current Score
694B (WEAK)
01000
3 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
700Before Incident
JUNE 2026
699Before Incident
MAY 2026
696Before Incident
APRIL 2026
695Before Incident
MARCH 2026
692Before Incident
FEBRUARY 2026
692Before Incident
JANUARY 2026
690Before Incident
DECEMBER 2025
688Before Incident
NOVEMBER 2025
685Before Incident
OCTOBER 2025
683Before Incident
SEPTEMBER 2025
681Before Incident
AUGUST 2025
679Before Incident
OCTOBER 2023
724Before Incident
Ransomware
29 Oct 2023 • Northwestern Mutual
The Northwestern Mutual Life Insurance Company

Ransomware Attack on The Northwestern Mutual Life Insurance Company

617After Incident
CRITICAL-107
NOR416072625
The Washington State Office of the Attorney General reported a ransomware cyberattack affecting The Northwestern Mutual Life Insurance Company on February 29, 2024. The breach, which occurred between October 29 and November 2, 2023, potentially exposed the personal information of 1,025 individuals, including names and Social Security numbers.
INCIDENT DETAILS -
TYPE
Ransomware
IMPACT
NamesSocial Security numbers
DATA BREACH
NamesSocial Security numbersSensitivity Of Data: High
REFERENCES
Blog URLSource URL
MAY 2023
781Before Incident
Breach
30 May 2023 • Northwestern Mutual
Northwestern Mutual Life Insurance Company

Northwestern Mutual Life Insurance Company Data Breach

717After Incident
MEDIUM-64
NOR531072725
The Maine Office of the Attorney General reported that Northwestern Mutual Life Insurance Company experienced an external system breach (hacking) on May 30, 2023, which compromised the Social Security Numbers of 9,923 individuals. The breach was discovered on the same day and the notification to affected individuals was made on August 21, 2023. Identity theft protection services for 24 months, including credit monitoring and identity restoration through Kroll, were offered to affected individuals.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Social Security NumbersIdentity Theft Risk: High
DATA BREACH
Type Of Data Compromised: Social Security NumbersSensitivity Of Data: HighPersonally Identifiable Information: Social Security Numbers
REFERENCES
Blog URLSource URL
SEPTEMBER 2017
795Before Incident
Breach
31 Aug 2017 • Northwestern Mutual
Northwestern Mutual Life Insurance Company

Northwestern Mutual Life Insurance Company Data Breach

741After Incident
CRITICAL-54
NOR710072725
The California Office of the Attorney General reported a data breach involving Northwestern Mutual Life Insurance Company on October 3, 2017, concerning a breach that occurred on August 31, 2017. The breach involved a computer scam that potentially compromised personally identifiable information, including names, Social Security numbers, and health information. The total number of affected individuals is currently unknown.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesSocial Security numbersHealth information
DATA BREACH
NamesSocial Security numbersHealth informationSensitivity Of Data: High
REFERENCES
Blog URLSource URL

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