Privacy Policy
Last updated: 2026-11-05
1. Collection of Personal Information
Yeohaengyusim (hereinafter the 'Company') collects the minimum personal information required for providing the eSIM service. The data collected includes your name, email address, payment details and device information, and when you use the website, usage records such as pages visited, browser type and IP address can also be gathered automatically.
2. Purposes of Use of Personal Information
Collected personal information is used for these purposes: operating and maintaining the eSIM service, order processing and payment, order confirmation and customer support, improving service quality, fulfilling legal obligations, and, where the user has accepted marketing cookies, measuring ChatGPT ad performance (checking whether an ad shown in ChatGPT led to a purchase). It is not used for any purpose other than those for which it was collected, and if a purpose of use changes, prior consent will be obtained.
3. Provision of Personal Information to Third Parties
The Company does not sell users' personal information. Where necessary to operate the service, information may be shared with these third parties: eSIM network operators (service activation), payment processors (payment completion) and analytics service providers (service improvement). All third parties are bound by obligations under data protection agreements. [Transfer of personal information overseas for ChatGPT ad measurement (Article 28-8 of the Personal Information Protection Act)] 1. Recipient: OpenAI OpCo, L.L.C. (3rd Street 1455, San Francisco, California, USA), contact privacy@openai.com 2. Country, timing and method: the United States. Sent over the internet each time a payment is completed; where the user has accepted marketing cookies, ad click identifiers are sent with it. 3. Items transferred: order number, payment amount and currency. Where the user has accepted marketing cookies, also the ad click identifiers (__oppref, __obref). 4. Recipient's purpose and retention period: measuring ChatGPT ad performance. Retention follows the criteria in OpenAI's privacy policy (openai.com/policies/kr-privacy-policy/); no fixed period is published. 5. How to refuse and the effect: decline the marketing cookies in the cookie consent banner, or withdraw them in the cookie settings. If you refuse, ad click identifiers and cookies are not sent. The order number and payment amount are still sent when you order; your use of the service and your purchase are not affected. Domestic agent: OpenAI Korea Ltd. (privacykorea@openai.com)
4. Use of Cookies
The Company uses cookies that are essential to operating the website, as well as analytics cookies for improving the service. Users can manage the use of cookies through their browser settings or the cookie consent banner, and cookies other than essential cookies are used only after the user's consent. Marketing cookies: only if the user accepts marketing cookies does the site load OpenAI's measurement script and set these cookies: __oppref (30 days) and __obref (365 days) are ad click identifiers and are deleted when marketing cookies are withdrawn; __oaiq_consent (30 days) remembers the OpenAI script's consent setting and remains after withdrawal.
5. Protection of Personal Information
The Company implements technical and administrative security measures to protect users' personal information. Payment details are processed through a PCI DSS certified payment service provider, and the Company does not directly store full credit card information. SSL/TLS encryption protects all data in transit.
6. Retention Period of Personal Information
The Company retains personal information for the period needed to provide the service. When account deletion is requested, the information is destroyed without delay, except for retention periods required by relevant laws. Payment-related records are kept for the minimum retention period under the relevant laws and regulations.
7. Users' Rights
Users can request access to, correction of and deletion of their personal information. They can also withdraw consent to the processing of personal information, ask for restriction of processing and ask for data portability. To exercise these rights, please contact help@yeohaengyusim.kr.
8. Changes to This Policy
The Company may revise this privacy policy and will give notice of changes through the website. The revised policy takes effect from the time it is posted. Where there are significant changes, separate notice may be given by email. For enquiries, please contact help@yeohaengyusim.kr. Operating entity: Interglobe Holding Limited, United Kingdom (Cambridge CB2 3QJ, Market Square, The Guildhall).