Nomura
Company Details
Linkedin ID:
nomura
Website:
Employees number:
15,162
Number of followers:
556,677
NAICS:
52
Industry Type:
Homepage:
nomura.com
IP Addresses:
0
Company ID:
NOM_3350981
Scan Status:
In-progress
Nomura Company CyberSecurity Posture
nomura.com
Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership.
Nomura A.I CyberSecurity Scoring
Nomura Risk Score (AI oriented)Between 750 and 799
Nomura
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Nomura Global Score (TPRM)XXXX
Nomura
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Nomura Company CyberSecurity News & History
Past Incidents
1
Attack Types
1
Nomura
Data Leak
Rankiteo Explanation
Attack with significant impact with internal employee data leaks
Description: Japan's Financial Services Agency issued a business improvement order against Nomura Holdings Inc. and its subsidiary Nomura Securities Co. Ltd. An employee leaked sensitive market information. The FSA found significant inadequacies at Nomura Holdings and Nomura Securities, including inadequate information control systems and insufficient improvement of operations based on past administrative actions. Nomura announced measures, including temporarily cutting the pay of Nagai and other executives, to prevent a recurrence of such incidents.
Nomura Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for Nomura
Incidents vs Financial Services Industry Average (This Year)
No incidents recorded for Nomura in 2025.
Incidents vs All-Companies Average (This Year)
No incidents recorded for Nomura in 2025.
Incident Types Nomura vs Financial Services Industry Avg (This Year)
No incidents recorded for Nomura in 2025.
Incident History — Nomura (X = Date, Y = Severity)
Nomura cyber incidents detection timeline including parent company and subsidiaries
Nomura Company Subsidiaries
Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership.
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Nomura CyberSecurity News
November 11, 2025 08:00 AM
Chris Nomura earns national award for AI research innovation
University of Idaho research leader received a national APLU award for leading AI innovations that improve university operations.
November 11, 2025 08:00 AM
Bursa, Stockbroking Industry Announce Cyber Resilience Framework To Strengthen Market Integrity
Bursa Malaysia Berhad, in collaboration with Malaysia's stockbroking industry, today unveiled a series of cyber resilience enhancements...
October 22, 2025 07:00 AM
Canon India’s Big Leap Into 2025: How CEO Toshiaki Nomura Plans To Redefine Digital Imaging In India
As Canon India steps confidently into 2025, President & CEO Mr. Toshiaki Nomura envisions a future where the brand transcends its legacy in...
October 04, 2025 07:00 AM
The Takaichi Surprise
Takaichi's economic policies — already being referred to as Sanaenomics, and which resemble the Abenomics of former Prime Minister Shinzo...
September 22, 2025 07:00 AM
UBS warns impacted former staff three months after data leak
The Swiss group sent a letter to several former employees informing them that there had been a cybersecurity breach affecting their data.
August 15, 2025 07:00 AM
Japan brokers seek to identify hackers after fraud surges
Criminals started hijacking online brokerage accounts in Japan and using them to drive up penny stocks around the world earlier this year.
July 17, 2025 07:00 AM
China-linked hackers seen targeting Taiwan's chip industry with increasing attacks
The attacks come amid rising restrictions by Washington on exports to China of U.S.-designed chips that are often manufactured in Taiwan.
May 20, 2025 05:35 PM
On-Demand – AI in the wrong hands: Exploring modern cybersecurity concerns
AI in the hands of cybercriminals is causing more fraud losses each year. What are the emerging cybersecurity threats, and how are financial institutions...
April 28, 2025 07:00 AM
CEH as a Career Game-Changer in Cybersecurity: Interview with Mayukh Mitra
Mayukh Mitra highlights the importance of the CEH certification for professionals who want to kick-start their cybersecurity careers.
Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
Nomura CyberSecurity History Information
Official Website of Nomura
The official website of Nomura is http://www.nomura.com.
Nomura’s AI-Generated Cybersecurity Score
According to Rankiteo, Nomura’s AI-generated cybersecurity score is 784, reflecting their Fair security posture.
How many security badges does Nomura’ have ?
According to Rankiteo, Nomura currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does Nomura have SOC 2 Type 1 certification ?
According to Rankiteo, Nomura is not certified under SOC 2 Type 1.
Does Nomura have SOC 2 Type 2 certification ?
According to Rankiteo, Nomura does not hold a SOC 2 Type 2 certification.
Does Nomura comply with GDPR ?
According to Rankiteo, Nomura is not listed as GDPR compliant.
Does Nomura have PCI DSS certification ?
According to Rankiteo, Nomura does not currently maintain PCI DSS compliance.
Does Nomura comply with HIPAA ?
According to Rankiteo, Nomura is not compliant with HIPAA regulations.
Does Nomura have ISO 27001 certification ?
According to Rankiteo,Nomura is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of Nomura
Nomura operates primarily in the Financial Services industry.
Number of Employees at Nomura
Nomura employs approximately 15,162 people worldwide.
Subsidiaries Owned by Nomura
Nomura presently has no subsidiaries across any sectors.
Nomura’s LinkedIn Followers
Nomura’s official LinkedIn profile has approximately 556,677 followers.
NAICS Classification of Nomura
Nomura is classified under the NAICS code 52, which corresponds to Finance and Insurance.
Nomura’s Presence on Crunchbase
No, Nomura does not have a profile on Crunchbase.
Nomura’s Presence on LinkedIn
Yes, Nomura maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/nomura.
Cybersecurity Incidents Involving Nomura
As of December 11, 2025, Rankiteo reports that Nomura has experienced 1 cybersecurity incidents.
Number of Peer and Competitor Companies
Nomura has an estimated 30,347 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at Nomura ?
Incident Types: The types of cybersecurity incidents that have occurred include Data Leak.
How does Nomura detect and respond to cybersecurity incidents ?
Detection and Response: The company detects and responds to cybersecurity incidents through an remediation measures with temporarily cutting the pay of nagai and other executives..
Incident Details
Can you provide details on each incident ?
What are the most common types of attacks the company has faced ?
Common Attack Types: The most common types of attacks the company has faced is Data Leak.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Leak NOM223719123
Data Compromised: Sensitive Market Information
What types of data are most commonly compromised in incidents ?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Sensitive Market Information.
Which entities were affected by each incident ?
Incident : Data Leak NOM223719123
Entity Name: Nomura Holdings Inc.
Entity Type: Company
Industry: Financial Services
Location: Japan
Incident : Data Leak NOM223719123
Entity Name: Nomura Securities Co. Ltd.
Entity Type: Company
Industry: Financial Services
Location: Japan
Response to the Incidents
What measures were taken in response to each incident ?
Incident : Data Leak NOM223719123
Remediation Measures: Temporarily cutting the pay of Nagai and other executives
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Leak NOM223719123
Type of Data Compromised: Sensitive Market Information
What measures does the company take to prevent data exfiltration ?
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Temporarily cutting the pay of Nagai and other executives, .
Post-Incident Analysis
What were the root causes and corrective actions taken for each incident ?
Incident : Data Leak NOM223719123
Root Causes: Inadequate Information Control Systems, Insufficient Improvement Of Operations Based On Past Administrative Actions,
Corrective Actions: Temporarily Cutting The Pay Of Nagai And Other Executives,
What corrective actions has the company taken based on post-incident analysis ?
Corrective Actions Taken: The company has taken the following corrective actions based on post-incident analysis: Temporarily Cutting The Pay Of Nagai And Other Executives, .
Additional Questions
General Information
Who was the attacking group in the last incident ?
Last Attacking Group: The attacking group in the last incident was an Employee.
Impact of the Incidents
What was the most significant data compromised in an incident ?
Most Significant Data Compromised: The most significant data compromised in an incident was Sensitive Market Information.
Data Breach Information
What was the most sensitive data compromised in a breach ?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach was Sensitive Market Information.
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Risk Information
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Description
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Risk Information
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Risk Information
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Base: 5.4
Severity: HIGH
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