Privacy Policy

Datastreams Co., Ltd. (“we”, “Us”, “Our”, “the company”) values customers’ personal information and complies with the Act on Promotion of Information and Communications Network Utilization and Information Protection. Those affected by any revisions to this policy will be notified either via the website or individually. This policy is effective from 2018.

Personal information we collect
We collect the following personal information for membership registration, consultation, service applications, etc.

Information Collected: name, login ID, password, home phone number, home address, mobile phone number, access log

Method of collection: : homepage (membership registration), delivery request

How we use your personal information

We use the your personal information for the following purposes:

Fulfillment of contracts related to service provision and settlement of fees according to service provision

Member management – For identity verification according to the use of membership services

Retention of your personal information

In principle, the company destroys your personal information without delay once the purpose of collecting and using personal information is achieved. However, the following information will be retained for the specified period for the following reasons.

A. Reasons for retaining information according to the company’s internal policy

– Illegal use record

Reason for retention: Prevention of illegal use

Retention period: 1 year

B. Reasons for retaining information according to relevant laws

In accordance with the provisions of related laws such as the Commercial Act, the Act on the Consumer Protection in Electronic Commerce, etc., the company keeps personal information for a certain period as stipulated by the relevant laws and regulations. In this case, the company uses the information it keeps only for the purpose of storage, and the retention period is as follows.

– Records on contract or withdrawal of subscription

Reason for retention: Act on Consumer Protection in Electronic Commerce, etc.

Retention period: 5 years

– Records on payment and supply of goods, etc.

Reason for retention: Act on Consumer Protection in Electronic Commerce, etc.

Retention period: 5 years

– Records on electronic financial transactions

Reason for retention: Electronic Financial Transactions Act

Retention period: 5 years

– Records on consumer complaints or dispute settlement

Reason for retention: Act on Consumer Protection in Electronic Commerce, etc.

Retention period: 3 years

Procedure and method of destruction of personal information

The destruction procedure and method are as follows.

Destruction procedureThe information entered for membership registration, etc. is transferred to a separate DB after the purpose is achieved (separate filing cabinet in the case of paper) and stored for a certain period of time according to the reasons for information protection based on internal policies and other related laws (refer to the retention and use period) and then destroyed.Personal information transferred to a separate DB will not be used for any purpose other than retention unless required by law.

Destruction method- Personal information stored in the form of electronic files is deleted using a technical method that cannot reproduce the record.- Personal information printed on paper is shredded with a shredder or destroyed through incineration.

Provision of Personal Information

In principle, the company does not provide users’ personal information to third parties. However, the following cases are exceptions.

– If required for product delivery or installation and after-sales service (name, mobile phone number, installation area address)

– When users agree in advance

– If necessary for product delivery or installation and after-sales service (name, mobile phone number, installation area state)

Consignment of collected personal information

The company does not, without your consent, entrust your information to an external company other than the delivery, installation, and after-sales service company contracted with the company. If such a need arises in the future, we will notify the customer of the entrusted person and the contents of the entrusted work and obtain prior consent if necessary.

Rights of users and legal representatives and how to exercise them

Users and their legal representatives may view or modify their registered personal information or the personal information of children under the age of 14 at any time, and may request termination of membership.
To inquire/modify the personal information of users or children under the age of 14, click ‘Change Personal Information’ (or ‘Modify Member Information’, etc.), or ‘Withdraw Membership’ to terminate membership (withdraw consent), and then directly view, correct, or withdraw after going through the identity verification process.

Alternatively, you can contact the person in charge of personal information management in writing, by phone or email, and we will take the necessary action immediately.

If you request correction of errors in your personal information, we will not use or provide your personal information until the correction is completed.

In addition, if incorrect personal information has already been provided to a third party, we will immediately notify the third party of the result of the correction so that the correction can be made.

The Company handles personal information that has been terminated or deleted at the request of the user or legal representative as specified in the “Period of Retention and Use of Personal Information Collected by the Company” and prohibits it from being viewed or used for any other purpose.

Matters concerning the installation, operation and refusal of automatic personal information collection devices

The company operates ‘cookies’ that store and find your information from time to time. A cookie is a very small text file that the server used to operate our website sends to your browser which is then stored on your computer’s hard disk. The company uses cookies for the following purposes:

Providing targeted marketing and personalized services by analyzing the access frequency and visit time of members and non-members, identifying users’ tastes and interests, tracking traces, and understanding the degree of participation in various events and the number ofvisits. You have the option to install cookies. Therefore, you can allow all cookies by setting options in your web browser, check each time a cookie is saved, or refuse to save all cookies.

How to reject cookie settings:Example: As a method of rejecting cookie settings, you can allow all cookies, check each time a cookie is saved, or refuse to save all cookies by selecting the option of your web browser.Example setting method) Tools at the top of your web browser > Internet Options > Personal InformationIt should be noted that, if you refuse to install cookies, there may be difficulties in providing services.

Civil Service for Personal Information

In order to protect customers’ personal information and handle complaints related to personal information, the company designates the relevant department and personal information manager as follows.

Chief Privacy Officer

Name : Administrator

E-mail :

Telephone number:

You can report all complaints related to personal information protection that occur while using the company’s services to the person in charge of personal information management or the department in charge. The company will provide prompt and sufficient answers to users’ reports.

If you need to report or consult about other personal information infringements, please contact the following organizations.

1. Personal Dispute Mediation Committee (

2. Information Protection Mark Certification Committee (

3. Internet Crime Investigation Center, Supreme Prosecutor’s Office (

4. National Police Agency Cyber Terror Response Center (