Effective Date: 【May 20, 2025】

Operating Entity: 【Huanyu Trust (Beijing) Technology Co., Ltd.】

Website Name: 【DRM Developer Community】

Website Domains: 【https://developer.trustdta.com/en】

In strict compliance with the Personal Information Protection Law of the People’s Republic of China, the Cybersecurity Law of the People’s Republic of China and the Data Security Law of the People’s Republic of China, and taking into account general overseas data‑protection regulations including the EU GDPR and the California CCPA, this Privacy Policy sets forth clear rules governing our collection, storage, use, disclosure and protection of your personal information to safeguard the legitimate rights and interests of registered users and website visitors both inside and outside China.

Key Highlight: This Website is a platform for DRM‑related technical popular‑science content and industry news. It provides text‑based and graphic knowledge, content display and technical‑document downloads. All information processing activities are carried out solely for account registration and website access‑operation purposes.

By registering an account, logging in, browsing or using services on this Website, you voluntarily consent to all provisions of this Privacy Policy.

1. Scope of Application

This Policy applies to all natural‑person users inside and outside China who access this Website, complete account registration, log in or use website functions (hereinafter collectively referred to as “Users”).

This Policy governs only personal‑information‑processing activities carried out by this Website. It does not apply to Users’ offline conduct or their use of third‑party‑platform services.

2. Personal Information We Collect and Usage Scenarios

This Website strictly abides by the principles of lawfulness, legitimacy, necessity and data minimization. We only collect information essential for website operation. No non‑mandatory authorizations are forced upon Users; no excessive data collection or privacy snooping takes place.

2.1 Account‑Registration and Real‑Name‑Verification Information (Voluntarily Submitted)

When registering for an account on this Website, Users may voluntarily submit the following information for account verification, unique user identification, and account‑security management:

Basic registration information: username, login password (stored in encrypted form), bound mobile‑phone number / email address.

Optional real‑name information: name and relevant qualification information voluntarily provided by Users (used only for user‑group differentiation; submission is not mandatory).

Purposes: completing account registration, login verification, password recovery, account‑security risk control, abnormal‑account investigation, and delivery of website announcements and support notifications.

2.2 Automatically‑Collected Information Generated by Website Access

While you browse webpages, our server automatically collects minimally‑necessary access logs, including: source IP address, access timestamp, visited pages, browser type, device operating system and access referrer.

Purposes: website traffic statistics, detection of malicious crawlers and cyber‑attacks, website‑troubleshooting, webpage‑content and user‑experience optimization, and maintenance of stable and secure website operation.

2.3 User‑Initiated Consultation and Feedback Information

When Users submit inquiries or feedback via email, website message boards or other channels, they may voluntarily provide their name, contact details, message content and screenshot materials.

Purposes: one‑on‑one response to user inquiries, handling of user suggestions and complaints, and improvement of website content.

2.4 Cookie and Similar‑Technology Data

This Website uses strictly necessary Cookies to maintain login status, distinguish user identities, defend against malicious access and enhance browsing experience. Cookies deployed by us will not collect your private data, serve targeted advertisements or track your online activities on external websites.

You may reject or clear Cookies via browser settings. Doing so, however, may invalidate your login session and cause partial webpage‑function malfunctions.

2.5 Information We Explicitly Do NOT Collect

This Website will never proactively collect sensitive personal information including national ID numbers, bank‑card details, precise geolocation data, address‑book contents or photo‑album data. Non‑essential permissions will never be imposed on Users.

3. Information Storage and Security Protection

3.1 Storage Location

All personal information and access logs of Users are stored on compliant servers located within the territory of the People’s Republic of China. User data will not be transferred or stored overseas without authorization. By accessing this Website from outside China, overseas Users acknowledge and consent to the storage and processing of their personal data within China.

3.2 Retention Periods

• Account information: retained for the duration of account existence.
• Access logs: retained for 90 days by default; data will be anonymized or permanently deleted upon expiry.
• Consultation‑and‑feedback records: retained for filing purposes for 180 days after the relevant matter is resolved; records will be purged after such period.

3.3 Security Safeguards

We implement technical and organizational measures including encrypted data storage, access‑permission isolation, server security controls and operation‑log auditing to protect Users’ personal information against leakage, tampering, loss and misuse.

In the event of a data‑security incident, we will take remedial measures promptly, file reports with competent regulatory authorities in accordance with applicable law, and notify affected Users.

4. Sharing, Transfer and Public Disclosure of Personal Information

Without Users’ explicit affirmative consent, we shall not sell, rent, resell or freely share Users’ personal information.

User data may be provided in accordance with applicable law only under the following circumstances:

1. Where formal law‑enforcement documents or investigation notices are issued by competent state authorities such as public‑security organs, judicial authorities and market‑regulation authorities;
2. Where data is supplied to compliant third‑party service providers (cloud‑server and website‑operation vendors) for basic service delivery; only the minimally‑required dataset will be provided, and data‑confidentiality agreements will be executed to strictly regulate data‑usage activities of such vendors;
3. For personal information voluntarily made public by the User.

5. Legitimate Rights of Users (Applicable to both Domestic and Overseas Users)

All registered Users enjoy the following personal‑information‑related rights. Overseas Users may exercise corresponding rights in accordance with local‑jurisdiction laws:

• Right to Know and Right of Access: you may inquire about details of our personal‑information collection and usage practices;
• Right to Rectification: you may request correction of inaccurate or incomplete account information relating to you;
• Right to Erasure (Right to be Forgotten): you may request deletion of non‑essential personal information and clearing of historical records;
• Right to Account Cancellation: you may independently apply for account cancellation; upon cancellation, we will delete your associated personal information;
• Right to Withdraw Consent: you may withdraw non‑mandatory information consents at any time without impairing your ability to use basic website functions;
• Right to File Complaints: if you object to our information‑processing activities, you may submit feedback via our official email for remedy.

Submission Method: You may submit requests via the settings page within your website‑account dashboard or send an email to our 【Contact Email】. We will respond and process your application within 15 working days.

6. Third‑Party Services and External‑Link Disclaimer

Webpages of this Website may contain hyperlinks to third‑party websites and analytics tools (e.g., Baidu Analytics, Google Analytics). Data‑processing activities of third‑party platforms are governed by their own privacy policies. We assume no liability for the information security or regulatory compliance of third parties. You shall bear risks arising from your access to third‑party platforms.

7. Minor Protection

This Website is a specialized DRM‑technical‑popular‑science site intended for adult industry practitioners and technical enthusiasts. We do not proactively collect personal information from minors. If we identify that a minor has registered an account or submitted personal data, relevant information will be deleted and the corresponding account will be terminated after verification.

8. Policy Updates and Notification

We may revise this Privacy Policy from time to time to reflect updates in applicable laws and regulations, changes in industry standards and business‑optimization needs. Revised versions will be published on a dedicated webpage of this Website and shall take effect upon publication. Your continued registration, login or use of website services constitutes voluntary acceptance of the updated Privacy Policy.

9. Special Notice for Cross‑Border Users

Overseas Users who access or register on this Website acknowledge and confirm as follows: you voluntarily access this Website across borders; you understand that your personal data will be stored and processed within China; this Website provides only popular‑science content and delivers no technical services; all data‑processing activities are lawful and compliant. If laws in your jurisdiction impose special restrictions on data processing, you shall independently assess compliance and bear corresponding liabilities.

10. Contact Information

Should you have questions, suggestions, complaints or personal‑information‑right requests concerning this Privacy Policy, please contact us via:

Contact Email: 【service@trustdta.com】