SoftBank Company Cyber Security Posture
softbank.jpEmbarking on a new stage of the Information Revolution with a "Beyond Carrier" strategy SoftBank Corp. (TOKYO: 9434) continues to push forward into a new stage of the Information Revolution by utilizing state-of-the-art technology such as AI, IoT, and robotics, and plays a central role in the SoftBank Group. We aim to take a flexible approach to expanding our business into a wide range of domains while pursuing synergies with group companies both domestically and overseas. We aspire to be a company that contributes to society by providing innovative services across a range of industries, going beyond the realms of conventional telecommunications carrier business models. Corporate Philosophy: "Information Revolution — Happiness for everyone" Since our founding, the SoftBank Group has sought to use the Information Revolution to contribute to the wellbeing of people and society. The unlimited potential of the Information Revolution should be deployed in the right way, so that it brings happiness to humanity. This vision is a driving force for the SoftBank Group as we continue to pursue growth. Our slogan: "Smart & Fun!" The slogan "Smart & Fun!" is part of our workstyle reform initiative and represents a way of working that is optimized to each employee, aiming to maximize the productivity of individuals and the organization. The slogan encapsulates our aim of continuing to grow as an innovative and creative company with employees who work intelligently and enjoyably, incorporating new workstyles that utilize IT and AI.
SoftBank Company Details
softbank-mobile
4093 employees
37927.0
541
IT Services and IT Consulting
softbank.jp
Scan still pending
SOF_6160900
In-progress
SoftBank Risk Score (AI oriented)Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.
SoftBank Global Score.png)
SoftBank 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 |
SoftBank Company Cyber Security News & History
| Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
|---|---|---|---|---|---|---|---|
| SoftBank Corporation | Breach | 85 | 4 | 6/2025 | SOF606061225 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: SoftBank Corporation, an investment holding company, faced a significant data breach affecting 137,156 mobile subscribers through compromised third-party infrastructure. The incident involved the unauthorized access to customer names, residential addresses, and phone numbers stored within the systems of UF Japan, an external service provider contracted for telecommunications support operations. The breach did not extend to more sensitive financial data elements, but it highlighted critical failures in vendor security management and persistent vulnerabilities in outsourced data processing operations. The incident exposed the complexity of managing security across multi-vendor environments and the challenges of detecting insider threats. | |||||||
SoftBank Company Subsidiaries
Embarking on a new stage of the Information Revolution with a "Beyond Carrier" strategy SoftBank Corp. (TOKYO: 9434) continues to push forward into a new stage of the Information Revolution by utilizing state-of-the-art technology such as AI, IoT, and robotics, and plays a central role in the SoftBank Group. We aim to take a flexible approach to expanding our business into a wide range of domains while pursuing synergies with group companies both domestically and overseas. We aspire to be a company that contributes to society by providing innovative services across a range of industries, going beyond the realms of conventional telecommunications carrier business models. Corporate Philosophy: "Information Revolution — Happiness for everyone" Since our founding, the SoftBank Group has sought to use the Information Revolution to contribute to the wellbeing of people and society. The unlimited potential of the Information Revolution should be deployed in the right way, so that it brings happiness to humanity. This vision is a driving force for the SoftBank Group as we continue to pursue growth. Our slogan: "Smart & Fun!" The slogan "Smart & Fun!" is part of our workstyle reform initiative and represents a way of working that is optimized to each employee, aiming to maximize the productivity of individuals and the organization. The slogan encapsulates our aim of continuing to grow as an innovative and creative company with employees who work intelligently and enjoyably, incorporating new workstyles that utilize IT and AI.
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SoftBank Cyber Security News
137,000 SoftBank Customers Affected by Data Leak from Third-Party Vendor
In 2004, the company confirmed that personal information on 4,517,039 customers had been leaked through two separate cases involving suspects Yuasa and Kimata.
SoftBank DataBreach - 137,000 Users Personal Data Exposed From Third-party Service Provider
SoftBank Corporation, an investment holding company, disclosed a significant data breach affecting 137,156 mobile subscribers through ...
SoftBank Vision Fund Bounces Back Into Action
Last week, the SoftBank Vision Fund 2 co-led a massive $120 million round for drama-laden cybersecurity startup Cybereason.
SoftBank, Mnuchin Weigh Deal to Salvage $800 Million Cyber Firm
Former US Treasury Secretary Steven Mnuchin and SoftBank Group Corp.'s Vision Fund are discussing a deal to salvage Cybereason Inc., ...
US cybersecurity firm Cybereason raises $120m led by Softbank
Cybereason specializes in endpoint detection and response (EDR) technology and has struggled to secure new capital.
Backed by SoftBank investment, Wiz pushes plans for expansion in Asia
Israeli-founded cyber unicorn Wiz announced on Wednesday that it has secured a strategic investment from Japanese tech giant SoftBank to help ...
The top AI threats keeping cybersecurity leaders up at night
Team8, the venture capital firm behind the event, surveyed the group—including Fortune 500 CISOs—and found that AI-powered phishing attacks and ...
SoftBank cashes in on Wiz investment in no time after Google’s $32 billion buyout
A well-timed bet on the Israeli cybersecurity firm delivers a massive return for SoftBank.
KU Leuven discovers vulnerable servers at Softbank and millions of others
The Belgian university KU Leuven has uncovered a critical security flaw that exposes computer servers worldwide to potential hacker attacks. The ...
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Frequently Asked Questions (FAQ) on Cybersecurity Incidents
SoftBank CyberSecurity History Information
Total Incidents: According to Rankiteo, SoftBank has faced 1 incidents in the past.
Incident Types: The types of cybersecurity incidents that have occurred include ['Breach'].
Total Financial Loss: The total financial loss from these incidents is estimated to be {total_financial_loss}.
Cybersecurity Posture: The company's overall cybersecurity posture is described as Embarking on a new stage of the Information Revolution with a "Beyond Carrier" strategy SoftBank Corp. (TOKYO: 9434) continues to push forward into a new stage of the Information Revolution by utilizing state-of-the-art technology such as AI, IoT, and robotics, and plays a central role in the SoftBank Group. We aim to take a flexible approach to expanding our business into a wide range of domains while pursuing synergies with group companies both domestically and overseas. We aspire to be a company that contributes to society by providing innovative services across a range of industries, going beyond the realms of conventional telecommunications carrier business models. Corporate Philosophy: "Information Revolution — Happiness for everyone" Since our founding, the SoftBank Group has sought to use the Information Revolution to contribute to the wellbeing of people and society. The unlimited potential of the Information Revolution should be deployed in the right way, so that it brings happiness to humanity. This vision is a driving force for the SoftBank Group as we continue to pursue growth. Our slogan: "Smart & Fun!" The slogan "Smart & Fun!" is part of our workstyle reform initiative and represents a way of working that is optimized to each employee, aiming to maximize the productivity of individuals and the organization. The slogan encapsulates our aim of continuing to grow as an innovative and creative company with employees who work intelligently and enjoyably, incorporating new workstyles that utilize IT and AI..
Detection and Response: The company detects and responds to cybersecurity incidents through {description_of_detection_and_response_process}.
Incident Details
Incident 1: Ransomware Attack
Title: {Incident_Title}
Description: {Brief_description_of_the_incident}
Date Detected: {Detection_Date}
Date Publicly Disclosed: {Disclosure_Date}
Date Resolved: {Resolution_Date}
Type: {Type_of_Attack}
Attack Vector: {Attack_Vector}
Vulnerability Exploited: {Vulnerability}
Threat Actor: {Threat_Actor}
Motivation: {Motivation}
Incident 2: Data Breach
Title: {Incident_Title}
Description: {Brief_description_of_the_incident}
Date Detected: {Detection_Date}
Date Publicly Disclosed: {Disclosure_Date}
Date Resolved: {Resolution_Date}
Type: {Type_of_Attack}
Attack Vector: {Attack_Vector}
Vulnerability Exploited: {Vulnerability}
Threat Actor: {Threat_Actor}
Motivation: {Motivation}
Common Attack Types: As of now, the company has not encountered any reported incidents involving common cyberattacks.
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through {description_of_identification_process}.
Impact of the Incidents
Incident 1: Ransomware Attack
Financial Loss: {Financial_Loss}
Data Compromised: {Data_Compromised}
Systems Affected: {Systems_Affected}
Downtime: {Downtime}
Operational Impact: {Operational_Impact}
Conversion Rate Impact: {Conversion_Rate_Impact}
Revenue Loss: {Revenue_Loss}
Customer Complaints: {Customer_Complaints}
Brand Reputation Impact: {Brand_Reputation_Impact}
Legal Liabilities: {Legal_Liabilities}
Identity Theft Risk: {Identity_Theft_Risk}
Payment Information Risk: {Payment_Information_Risk}
Incident 2: Data Breach
Financial Loss: {Financial_Loss}
Data Compromised: {Data_Compromised}
Systems Affected: {Systems_Affected}
Downtime: {Downtime}
Operational Impact: {Operational_Impact}
Conversion Rate Impact: {Conversion_Rate_Impact}
Revenue Loss: {Revenue_Loss}
Customer Complaints: {Customer_Complaints}
Brand Reputation Impact: {Brand_Reputation_Impact}
Legal Liabilities: {Legal_Liabilities}
Identity Theft Risk: {Identity_Theft_Risk}
Payment Information Risk: {Payment_Information_Risk}
Average Financial Loss: The average financial loss per incident is {average_financial_loss}.
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are {list_of_commonly_compromised_data_types}.
Incident 1: Ransomware Attack
Entity Name: {Entity_Name}
Entity Type: {Entity_Type}
Industry: {Industry}
Location: {Location}
Size: {Size}
Customers Affected: {Customers_Affected}
Incident 2: Data Breach
Entity Name: {Entity_Name}
Entity Type: {Entity_Type}
Industry: {Industry}
Location: {Location}
Size: {Size}
Customers Affected: {Customers_Affected}
Response to the Incidents
Incident 1: Ransomware Attack
Incident Response Plan Activated: {Yes/No}
Third Party Assistance: {Yes/No}
Law Enforcement Notified: {Yes/No}
Containment Measures: {Containment_Measures}
Remediation Measures: {Remediation_Measures}
Recovery Measures: {Recovery_Measures}
Communication Strategy: {Communication_Strategy}
Adaptive Behavioral WAF: {Adaptive_Behavioral_WAF}
On-Demand Scrubbing Services: {On_Demand_Scrubbing_Services}
Network Segmentation: {Network_Segmentation}
Enhanced Monitoring: {Enhanced_Monitoring}
Incident 2: Data Breach
Incident Response Plan Activated: {Yes/No}
Third Party Assistance: {Yes/No}
Law Enforcement Notified: {Yes/No}
Containment Measures: {Containment_Measures}
Remediation Measures: {Remediation_Measures}
Recovery Measures: {Recovery_Measures}
Communication Strategy: {Communication_Strategy}
Adaptive Behavioral WAF: {Adaptive_Behavioral_WAF}
On-Demand Scrubbing Services: {On_Demand_Scrubbing_Services}
Network Segmentation: {Network_Segmentation}
Enhanced Monitoring: {Enhanced_Monitoring}
Incident Response Plan: The company's incident response plan is described as {description_of_incident_response_plan}.
Third-Party Assistance: The company involves third-party assistance in incident response through {description_of_third_party_involvement}.
Data Breach Information
Incident 2: Data Breach
Type of Data Compromised: {Type_of_Data}
Number of Records Exposed: {Number_of_Records}
Sensitivity of Data: {Sensitivity_of_Data}
Data Exfiltration: {Yes/No}
Data Encryption: {Yes/No}
File Types Exposed: {File_Types}
Personally Identifiable Information: {Yes/No}
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: {description_of_prevention_measures}.
Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through {description_of_handling_process}.
Ransomware Information
Incident 1: Ransomware Attack
Ransom Demanded: {Ransom_Amount}
Ransom Paid: {Ransom_Paid}
Ransomware Strain: {Ransomware_Strain}
Data Encryption: {Yes/No}
Data Exfiltration: {Yes/No}
Ransom Payment Policy: The company's policy on paying ransoms in ransomware incidents is described as {description_of_ransom_payment_policy}.
Data Recovery from Ransomware: The company recovers data encrypted by ransomware through {description_of_data_recovery_process}.
Regulatory Compliance
Incident 1: Ransomware Attack
Regulations Violated: {Regulations_Violated}
Fines Imposed: {Fines_Imposed}
Legal Actions: {Legal_Actions}
Regulatory Notifications: {Regulatory_Notifications}
Incident 2: Data Breach
Regulations Violated: {Regulations_Violated}
Fines Imposed: {Fines_Imposed}
Legal Actions: {Legal_Actions}
Regulatory Notifications: {Regulatory_Notifications}
Regulatory Frameworks: The company complies with the following regulatory frameworks regarding cybersecurity: {list_of_regulatory_frameworks}.
Ensuring Regulatory Compliance: The company ensures compliance with regulatory requirements through {description_of_compliance_measures}.
Lessons Learned and Recommendations
Incident 1: Ransomware Attack
Lessons Learned: {Lessons_Learned}
Incident 2: Data Breach
Lessons Learned: {Lessons_Learned}
Incident 1: Ransomware Attack
Recommendations: {Recommendations}
Incident 2: Data Breach
Recommendations: {Recommendations}
Key Lessons Learned: The key lessons learned from past incidents are {list_of_key_lessons_learned}.
Implemented Recommendations: The company has implemented the following recommendations to improve cybersecurity: {list_of_implemented_recommendations}.
References
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at {list_of_additional_resources}.
Investigation Status
Incident 1: Ransomware Attack
Investigation Status: {Investigation_Status}
Incident 2: Data Breach
Investigation Status: {Investigation_Status}
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through {description_of_communication_process}.
Stakeholder and Customer Advisories
Incident 1: Ransomware Attack
Stakeholder Advisories: {Stakeholder_Advisories}
Customer Advisories: {Customer_Advisories}
Incident 2: Data Breach
Stakeholder Advisories: {Stakeholder_Advisories}
Customer Advisories: {Customer_Advisories}
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: {description_of_advisories_provided}.
Initial Access Broker
Incident 1: Ransomware Attack
Entry Point: {Entry_Point}
Reconnaissance Period: {Reconnaissance_Period}
Backdoors Established: {Backdoors_Established}
High Value Targets: {High_Value_Targets}
Data Sold on Dark Web: {Yes/No}
Incident 2: Data Breach
Entry Point: {Entry_Point}
Reconnaissance Period: {Reconnaissance_Period}
Backdoors Established: {Backdoors_Established}
High Value Targets: {High_Value_Targets}
Data Sold on Dark Web: {Yes/No}
Monitoring and Mitigation of Initial Access Brokers: The company monitors and mitigates the activities of initial access brokers through {description_of_monitoring_and_mitigation_measures}.
Post-Incident Analysis
Incident 1: Ransomware Attack
Root Causes: {Root_Causes}
Corrective Actions: {Corrective_Actions}
Incident 2: Data Breach
Root Causes: {Root_Causes}
Corrective Actions: {Corrective_Actions}
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as {description_of_post_incident_analysis_process}.
Corrective Actions Taken: The company has taken the following corrective actions based on post-incident analysis: {list_of_corrective_actions_taken}.
Additional Questions
General Information
Ransom Payment History: The company has {paid/not_paid} ransoms in the past.
Last Ransom Demanded: The amount of the last ransom demanded was {last_ransom_amount}.
Last Attacking Group: The attacking group in the last incident was {last_attacking_group}.
Incident Details
Most Recent Incident Detected: The most recent incident detected was on {most_recent_incident_detected_date}.
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on {most_recent_incident_publicly_disclosed_date}.
Most Recent Incident Resolved: The most recent incident resolved was on {most_recent_incident_resolved_date}.
Impact of the Incidents
Highest Financial Loss: The highest financial loss from an incident was {highest_financial_loss}.
Most Significant Data Compromised: The most significant data compromised in an incident was {most_significant_data_compromised}.
Most Significant System Affected: The most significant system affected in an incident was {most_significant_system_affected}.
Response to the Incidents
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was {third_party_assistance_in_most_recent_incident}.
Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident were {containment_measures_in_most_recent_incident}.
Data Breach Information
Most Sensitive Data Compromised: The most sensitive data compromised in a breach was {most_sensitive_data_compromised}.
Number of Records Exposed: The number of records exposed in the most significant breach was {number_of_records_exposed}.
Ransomware Information
Highest Ransom Demanded: The highest ransom demanded in a ransomware incident was {highest_ransom_demanded}.
Highest Ransom Paid: The highest ransom paid in a ransomware incident was {highest_ransom_paid}.
Regulatory Compliance
Highest Fine Imposed: The highest fine imposed for a regulatory violation was {highest_fine_imposed}.
Most Significant Legal Action: The most significant legal action taken for a regulatory violation was {most_significant_legal_action}.
Lessons Learned and Recommendations
Most Significant Lesson Learned: The most significant lesson learned from past incidents was {most_significant_lesson_learned}.
Most Significant Recommendation Implemented: The most significant recommendation implemented to improve cybersecurity was {most_significant_recommendation_implemented}.
References
Most Recent Source: The most recent source of information about an incident is {most_recent_source}.
Most Recent URL for Additional Resources: The most recent URL for additional resources on cybersecurity best practices is {most_recent_url}.
Investigation Status
Current Status of Most Recent Investigation: The current status of the most recent investigation is {current_status_of_most_recent_investigation}.
Stakeholder and Customer Advisories
Most Recent Stakeholder Advisory: The most recent stakeholder advisory issued was {most_recent_stakeholder_advisory}.
Most Recent Customer Advisory: The most recent customer advisory issued was {most_recent_customer_advisory}.
Initial Access Broker
Most Recent Entry Point: The most recent entry point used by an initial access broker was {most_recent_entry_point}.
Most Recent Reconnaissance Period: The most recent reconnaissance period for an incident was {most_recent_reconnaissance_period}.
Post-Incident Analysis
Most Significant Root Cause: The most significant root cause identified in post-incident analysis was {most_significant_root_cause}.
Most Significant Corrective Action: The most significant corrective action taken based on post-incident analysis was {most_significant_corrective_action}.
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.
