NTT DATA Company Cyber Security Posture
nttdata.comNTT DATA – a part of NTT Group – is a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.
NTT DATA Company Details
nttdata
58447 employees
697357.0
541
IT Services and IT Consulting
nttdata.com
Scan still pending
NTT_2278811
In-progress
NTT DATA Risk Score (AI oriented)Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.
NTT DATA Global Score.png)
NTT DATA 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 |
NTT DATA Company Cyber Security News & History
| Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
|---|---|---|---|---|---|---|---|
| NTT Communications Corporation | Breach | 85 | 4 | 3/2025 | NTT1055030725 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: NTT Communications Corporation reported a cybersecurity incident affecting approximately 18,000 corporate customers. Hackers compromised the 'Order Information Distribution System,' resulting in the potential theft of customer names, contact details, and service usage information. Despite the security breach discovery on February 5 and the containment of threats, further investigation revealed an attacker's pivot to another network device on February 15, which was also disconnected. NTT's incident response did not include personalized notifications; instead, a public website announcement was made. The breach did not affect contracts for smartphones and mobile phones provided by NTT Docomo. | |||||||
| NTT Communications | Breach | 85 | 4 | 3/2025 | NTT030031025 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: NTT Communications, a Japanese telecoms service provider, has experienced a significant data breach with unauthorized access detected on February 5th and again on February 15th. The breach has potentially compromised data related to nearly 18,000 corporate customers' mobile phone contracts, including customer names, contacts, phone numbers, email addresses, and information about service usage. This data leak poses a risk to the confidentiality of customer information and could have severe repercussions for those affected. | |||||||
NTT DATA Company Subsidiaries
NTT DATA – a part of NTT Group – is a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.
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NTT DATA Cyber Security News
NTT DATA Global Efforts to Increase Cybersecurity Professionals
The aim of the interactive sessions is not only to acquire cybersecurity skills, but also to unify security skills globally, and to stimulate communication ...
NTT DATA and Booz Allen Hamilton to Strengthen Cybersecurity Capabilities in Singapore
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NTT DATA supports Clients operating in different Sectors to address OT Cybersecurity
NTT DATA proposed and executed a PoC with Claroty xDome: already after a couple of hours from the deployment some vulnerabilities were notified and promptly ...
NTT DATA and CrowdStrike Expand Partnership to Strengthen AI-Powered Cyber Resilience
NTT DATA, a global digital business and IT services leader, and CrowdStrike, a global cybersecurity leader, today announced an expanded ...
Proactive measures, secure outcomes: Make your organization cyber resilient
Discover how a proactive cybersecurity strategy keeps your operations online both before and after cyberattacks.
NTT DATA and Palo Alto Networks Enhance Private 5G Security for Industrial Deployments
NTT DATA, a global leader in digital business and technology services, today announced a new managed security service powered by Palo Alto ...
Empowering Cyber Defense: How Generative AI is Transforming Cybersecurity
The evolution of cyber threats demands innovative solutions, and Generative AI is emerging as a game-changer in cybersecurity.
The double-edged sword of AI in cybersecurity
AI is undeniably a double-edged sword in the realm of cybersecurity. It protects your business but also introduces new risks that must be ...
Tips for Co-creating Security Services with Startups
In general, speed is important when working with startups. They are also the ones who choose companies to work with and will prioritize companies which they can ...
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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
NTT DATA CyberSecurity History Information
How many cyber incidents has NTT DATA faced?
Total Incidents: According to Rankiteo, NTT DATA has faced 2 incidents in the past.
What types of cybersecurity incidents have occurred at NTT DATA?
Incident Types: The types of cybersecurity incidents that have occurred incidents Breach.
How does NTT DATA detect and respond to cybersecurity incidents?
Detection and Response: The company detects and responds to cybersecurity incidents through containment measures with Disconnection of Compromised Devices and communication strategy with Public Website Announcement.
Incident Details
Can you provide details on each incident?
Incident : Data Breach
Title: NTT Communications Data Breach
Description: NTT Communications, a Japanese telecoms service provider, has experienced a significant data breach with unauthorized access detected on February 5th and again on February 15th. The breach has potentially compromised data related to nearly 18,000 corporate customers' mobile phone contracts, including customer names, contacts, phone numbers, email addresses, and information about service usage. This data leak poses a risk to the confidentiality of customer information and could have severe repercussions for those affected.
Date Detected: ['2023-02-05', '2023-02-15']
Type: Data Breach
Incident : Data Breach
Title: NTT Communications Corporation Data Breach
Description: NTT Communications Corporation reported a cybersecurity incident affecting approximately 18,000 corporate customers. Hackers compromised the 'Order Information Distribution System,' resulting in the potential theft of customer names, contact details, and service usage information. Despite the security breach discovery on February 5 and the containment of threats, further investigation revealed an attacker's pivot to another network device on February 15, which was also disconnected. NTT's incident response did not include personalized notifications; instead, a public website announcement was made. The breach did not affect contracts for smartphones and mobile phones provided by NTT Docomo.
Date Detected: 2023-02-05
Date Resolved: 2023-02-15
Type: Data Breach
Attack Vector: Compromise of Order Information Distribution System
Threat Actor: Unknown Hackers
Motivation: Data Theft
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 Breach.
Impact of the Incidents
What was the impact of each incident?
Incident : Data Breach NTT030031025
Data Compromised: customer names, contacts, phone numbers, email addresses, information about service usage
Incident : Data Breach NTT1055030725
Data Compromised: Customer Names, Contact Details, Service Usage Information
Systems Affected: Order Information Distribution System, Another Network Device
What types of data are most commonly compromised in incidents?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are customer names, contacts, phone numbers, email addresses, information about service usage, Customer Names, Contact Details and Service Usage Information.
Which entities were affected by each incident?
Incident : Data Breach NTT030031025
Entity Type: Telecom Service Provider
Industry: Telecommunications
Location: Japan
Customers Affected: 18,000
Incident : Data Breach NTT1055030725
Entity Type: Corporation
Industry: Telecommunications
Customers Affected: 18000
Response to the Incidents
What measures were taken in response to each incident?
Incident : Data Breach NTT1055030725
Containment Measures: Disconnection of Compromised Devices
Communication Strategy: Public Website Announcement
Data Breach Information
What type of data was compromised in each breach?
Incident : Data Breach NTT030031025
Type of Data Compromised: customer names, contacts, phone numbers, email addresses, information about service usage
Number of Records Exposed: 18,000
Incident : Data Breach NTT1055030725
Type of Data Compromised: Customer Names, Contact Details, Service Usage Information
Number of Records Exposed: 18000
Personally Identifiable Information: Customer Names, Contact Details
How does the company handle incidents involving personally identifiable information (PII)?
Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through was Disconnection of Compromised Devices.
Investigation Status
How does the company communicate the status of incident investigations to stakeholders?
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through was Public Website Announcement.
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 Unknown Hackers.
Incident Details
What was the most recent incident detected?
Most Recent Incident Detected: The most recent incident detected was on ['2023-02-05', '2023-02-15'].
What was the most recent incident resolved?
Most Recent Incident Resolved: The most recent incident resolved was on 2023-02-15.
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 were customer names, contacts, phone numbers, email addresses, information about service usage, Customer Names, Contact Details and Service Usage Information.
What was the most significant system affected in an incident?
Most Significant System Affected: The most significant system affected in an incident were Order Information Distribution System, Another Network Device.
Response to the Incidents
What containment measures were taken in the most recent incident?
Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident was Disconnection of Compromised Devices.
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 were customer names, contacts, phone numbers, email addresses, information about service usage, Customer Names, Contact Details and Service Usage Information.
What was the number of records exposed in the most significant breach?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 18.2K.
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.
