Legal
Privacy Policy
Last updated: 2026-08-16
INLEVEL9 is operated by INLEVEL9 from Seoul, South Korea. This Privacy Policy explains what personal data we process when you read, subscribe to, comment on, or pay for our newsletter service, including how cookies and local storage are used.
1. Controller Information
| Business name | INLEVEL9 |
|---|---|
| Service | INLEVEL9 |
| Representative | Kwangseob Ahn |
| Business registration | 735-23-01161 |
| Mail-order registration | 2026-서울영등포-0851 |
| contact@inlevel9.com | |
| Address | 4314, 4F, NH Foundation Building, 2, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul, Republic of Korea |
2. Data We Process and Why
| Context | Data | Purpose |
|---|---|---|
| Newsletter subscription | Email address, locale, source | Manage subscriptions, prevent duplicates, and send newsletter updates |
| Reader sign-in | Email address, login tokens, session cookie (oz_reader) | Authenticate readers, keep sessions active, and apply access rights |
| Membership and payments | Email address, plan, amount, payment references, billing key references, payment status | Register subscriptions, renew billing, grant access, and respond to billing issues |
| Educational program enrollment | Name, student number, school/department, email address, phone number, selected program, goal, payment and refund status | Process enrollment, manage capacity and attendance, send operational notices, process payment and refunds, and provide support |
| Comments | Comment text, timestamp, issue slug, anonymity flag | Display and moderate community contributions |
| Analytics | Pseudonymous identifier (oz_aid), path, referrer, device type, scroll depth, section reach, link and CTA clicks | Measure readership, understand article performance, and improve the service |
| Consent and admin operations | oz_consent, admin cookie (oz_admin) | Store consent preferences and secure operator access |
3. Legal Bases
- Performance of a contract: reader accounts, memberships, payments, customer support.
- Consent: advertising cookies and consent-based analytics where required, especially for EEA/UK visitors.
- Legitimate interests: service security, fraud prevention, product analytics, and operational recordkeeping where allowed by law.
- Legal obligation: tax, accounting, consumer protection, and dispute-handling requirements.
4. Cookies and Local Storage
- Essential session cookies keep readers or operators signed in.
- Analytics storage:
oz_aidis a random pseudonymous identifier used for first-party analytics. - Consent storage:
oz_consentrecords your cookie choice on the English site. - Advertising cookies: the English site may load Google AdSense. For EEA/UK visitors, ad and analytics storage default to denied until you choose “Accept all”.
You can manage or remove site data in your browser settings. If you clear stored data, the cookie banner will appear again.
5. Sharing and Processors
We use service providers to operate the site and process payments.
| Provider | Role | Main data involved |
|---|---|---|
| Supabase | Authentication and database infrastructure | Email addresses, account status, comments, payment metadata |
| NICE Payments | Korean payment processing and recurring billing registration | Payment card input, email address, product details, transaction references |
| Lemon Squeezy | International payment processing and merchant of record | Email address, subscription details, amount, transaction references |
| Maily | Legacy newsletter subscription and delivery workflow | Email address, subscription status |
| AdSense advertising and consent-mode signals | Cookie and advertising identifiers, where permitted |
We do not store full card numbers or full card passwords on our own servers. Payment card details are sent directly to the applicable payment processor.
6. International Transfers
Some providers we use may process data outside South Korea. Where applicable, we rely on contractual, technical, and organizational safeguards designed to protect personal data during those transfers.
7. Retention
We keep personal data only as long as needed for the purposes described above, unless a longer retention period is required by law.
| Record | Retention period |
|---|---|
| Contract or withdrawal records | 5 years |
| Payment and service supply records | 5 years |
| Complaint or dispute-handling records | 3 years |
| Advertising and display records | 6 months |
8. Your Rights
Depending on your jurisdiction, you may have rights to access, correct, delete, restrict, object to, or port your personal data, and to withdraw consent where processing is based on consent.
Subscription emails include an unsubscribe path, and privacy requests can be sent to contact@inlevel9.com.
9. Anonymous Comments
Anonymous comments are intentionally designed so that the posted comment is not linked back to a subscriber record. Because of that design, self-service deletion by the original poster may not be possible after submission. We may remove or hide comments when required by law, to protect rights, or to enforce our rules.
10. Children
Our service is not intended for children under 14, and we do not knowingly target or solicit them without an appropriate legal basis or parental authorization where required.
11. Contact
- Controller: Kwangseob Ahn
- Email: contact@inlevel9.com
- Address: 4314, 4F, NH Foundation Building, 2, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul, Republic of Korea
12. Changes
We may update this Privacy Policy when laws, vendors, or service features change. Material updates will be posted on the site or communicated by a comparable notice.