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Customer Personal Information Protection Policy

Nippon Telegraph and Telephone Corporation (NTT)

NTT will handle the personal information of the customer ("Customer Personal Information"; such information excludes the individual numbers and specific personal information of business partners etc.) in accordance with the following policy, on the basis of the "NTT Group Information Security Policy".

1.Handling of Customer Personal Information

(1) The Purposes of Use of Customer Personal Information
The purposes of use of Customer Personal Information retained by NTT are as follows.

A. When providing assistance such as necessary advice and mediation with NTT group companies: to hear opinions, to exchange, provide and report information, regarding the business operations of NTT group companies, and to reflect such matters in group operations going forward.

B. When engaging in research on telecommunications technologies that serve as the foundation for the telecommunications: to hear opinions, to exchange, provide and report information, and to perform demonstration experiment regarding such research, to introduce seminars and forums held at laboratories, to conduct management for patent applications etc., and to reflect such matters in research and development business going forward.

C. In order to ensure the security of NTT: managing the persons who visit NTT and the purposes for their visits, as well as the persons who access NTT's servers etc. and the purposes for their access.

D. In ordinary operations of NTT: to purchase goods, to outsource work or accept the outsourcing of work, and to conduct transactions based on contractual relationships such as financial transactions.

E. For the purposes of public disclosures of information by NTT such as press release.

Further, when collecting Customer Personal Information stated in a written document directly from the customer, NTT will explicitly indicate the purposes of use to such customer in each case.

Moreover, in cases falling under Article 16, Paragraph 3 of the Act on the Protection of Personal Information, Customer Personal Information may be handled beyond the extent necessary to achieve the abovementioned purposes of use.

(2) Provision of Customer Personal Information to Third Parties
Except in the case where Customer Personal Information is provided to third parties in accordance with Article 23, Paragraph 1 or Article 23, Paragraph 5 of the Act on the Protection of Personal Information, NTT will not provide Customer Personal Information to any third parties without obtaining prior consent of the customer(s).

(3) Joint Use of Customer Personal Information

a. NTT may jointly use Customer Personal Information with third parties in accordance with Article 23, Paragraph 5, Item (3) of the Act on the Protection of Personal Information. In such cases, NTT will disclose, in advance, the following matters to the public on the homepage etc.

A. Notice of that fact;

B. Items of personal data to be jointly used;

C. Scope of persons who will engage in joint use;

D. Purpose(s) of use for persons who will engage in joint use; and

E. Names of persons responsible for management of such personal data.

b. If there are any changes in the matters as stated in Item D or E of the preceding paragraph after disclosing such matters to the public on the homepage etc., NTT will disclose, in advance, to the public such changes on the homepage etc.

(4) Disclosure and other Procedures in Regard to Customer Personal Information Retained by NTT
NTT will respond to your requests for disclosure, correction etc., or suspension of usage etc. in regard to Customer Personal Information retained by NTT.

A. Documents Required for Requests for Disclosure etc.
When making a request for disclosure etc., please download and mail or bring the following request forms to NTT, attaching required documents to such request form.

B. Address to Send Request Forms:
Nippon Telegraph and Telephone Corporation, Point of Contact for Customer Personal Information
5-1, Otemachi 1-Chome
Chiyoda-ku, Tokyo 100-8116, Japan.

*Concerning the handling of Customer Personal Information obtained in relation to a "Request for Disclosure etc."
The purpose of use of Customer Personal Information obtained in relation to a request for disclosure etc. shall be limited to the extent necessary for dealing with such request for disclosure etc.

(5) Point of Contact for Consultation Regarding Customer Personal Information
The point of contact for consultation regarding the handling of Customer Personal Information can be reached by mail or email at the address/email address as stated below. We are afraid that we are unable to accommodate in-person inquiries. Thank you for your understanding.

Nippon Telegraph and Telephone Corporation, Point of Contact for Customer Personal Information
5-1, Otemachi 1-Chome
Chiyoda-ku, Tokyo 100-8116, Japan.
Email:ntt_kojin@ntt.com

Information: Inquiries about Personal Information Handled in Relation to Various Services etc.

NTT is a holding company and therefore does not provide telecommunications services to any customer.
For inquiries about personal information handled in relation to the services etc., please contact the company providing the relevant services to you (the details of major NTT group companies are as follows).

  • For consultations and requests regarding the handling of personal information in relation to NTT EAST's or NTT WEST's services etc.:

    Customers in the area of NTT EAST's Services
    Point of Contact for Personal Information
    0120-980431 (toll free, in Japanese only)
    (9:00 am - 5:00 pm; closed on Saturdays, Sundays, holidays, New Year's holidays)

    Customers in the area of NTT WEST's Services
    Customer Consultation Center
    0120-019000 (toll free, in Japanese only)
    (9:00 am - 5:00 pm; closed on Saturdays, Sundays, holidays, New Year's holidays (12/29-1/3))

  • For consultations and requests regarding the handling of personal information in relation to NTT Communications' services etc.:

    *Please see the privacy policy which can be accessed from the URL described above and direct your inquiry to the point of contact indicated therein.

  • For consultations and requests regarding the handling of personal information in relation to NTT DOCOMO's services etc:

    Headquarters Customer Consulting Office
    0570-073-030 (charges apply, in Japanese only)
    (10:00 am - 6:00 pm; closed on Saturdays, Sundays, holidays, New Year's holidays)

    Nippon Telegraph and Telephone Corporation, Point of Contact for Customer Personal Information

2.Compliance with Laws

When handling Customer Personal Information, NTT will comply with the "Act on the Protection of Personal Information" and relevant laws and regulations, and will also comply with applicable guidelines published by competent ministries and industry associations.

3.Security Control Measures

When handling Customer Personal Information, NTT will take appropriate organizational security control measures, personnel-related security control measures, physical security control measures, and technological security control measures.

(1) Organizational Security Control Measures
NTT establishes organizational management systems by (a) constructing committees, appointing managers of each organization, and constructing other management systems, (b) establishing internal rules, (c) preparing statements including management ledgers and process management tables, and (d) improving the foregoing continuously.

(2) Personnel-Related Security Control Measures
NTT (a) informs and educates all employees who handle Customer Personal Information as to the significance of the protection of Customer Personal Information, regardless of whether such employees are officers, full-time employees, or dispatched employees, (b) enters into non-disclosure agreements with such employees, and (c) conducts necessary oversight and supervision, in order to ensure effectiveness of personnel-related security control measures.

(3) Physical Security Control Measures
NTT takes physical security control measures such as (a) access controls and theft preventions etc. for buildings and floors where Customer Personal Information is handled, (b) measures against damage to Customer Personal Information caused by fire, lightning, etc. and (c) locking management when removing, transferring or storing systems and documents.

(4) Technological Security Control Measures
NTT takes technological security control measures such as (a) access controls, including authentication, authority management, controls and record-keeping when accessing personal data, (b) measures to be taken for systems against unauthorized software and virus, (c) protection measures during transfer, transmission and receipt by means of encryption, clarification of responsibilities or the like and (d) monitoring of information systems.

4. Continuous Improvement of Management Systems

NTT will be proactive in the protection of Customer Personal Information by regularly, continuously and flexibly reviewing management systems and rules, and making constant improvements to ensure timely and appropriate management systems aligning with changing technologies and legal systems.

5. Anonymously Processed Information

NTT may create anonymously processed information based on Customer Personal Information and provide such information to third parties. In such cases, NTT will disclose the following items to the public on the homepage etc.

A. Items of information concerning an individual that are included in the anonymously processed information created by NTT;

B. Items of information concerning an individual that are included in the anonymously processed information to be provided to third parties;

C. Methods of providing anonymously processed information to third parties; and

D. Particulars of security control measures adopted.

When handling anonymously processed information, NTT will take the security control measures as stated in No.3 above. Further, NTT will provide necessary and appropriate supervision of employees and outsourcing contractors (including subcontractors etc. of such outsourcing contractors) who handle anonymously processed information.

Evaluation by Society

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      As one of the most innovative companies in IP and patent area. NTT received the award for 10th consecutive year

    • CSDE

      Established a council to promote secure digital economy together with multi-national companies

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      NTT is the first telecommunications operator to become a member of global initiatives to make smarter use of energy, “EP100” and “EV100” (Oct. 2018)

    • MEMBER OF Dow Jones Sustainability Indices
    • FTSE4Good
    • FTSE Blossom Japan
    • 2020 CONSTITUENT MSCI JAPAN ESG SELECT LEADERS INDEX