PRIVACY POLICY

Last updated May 29, 2026    

1. Introduction

Welcome to the privacy policy for the ClusterTech Platform for Atmospheric Simulation (CPAS), operated by ClusterTech Limited ("we," "us," or "our"). This policy explains how we collect, use, process, and protect your personal information when you visit our website at https://cpas.earth/ and use our cloud-based atmospheric simulation services.

We are committed to maintaining the trust and confidence of visitors to our platform. We adhere to internationally recognized privacy standards to ensure your data is handled securely and responsibly. This policy applies worldwide and covers all users, regardless of their location.

2. Information We Collect

We collect information to provide, improve, and personalize our services. The categories of information we collect include:

2.1 Information You Provide Directly

When you register, contact us, or use our services, you may voluntarily provide:

• Name
• Email address
• Title
• Phone number
• Organization name
• Job title

2.2 Information Collected Automatically

When you interact with our platform, certain information is collected automatically through tools like Google Analytics:

• Log and usage data (pages visited, time spent, clickstream data)
• Device data (browser type, operating system, device identifiers)
• Location data (general geographic location derived from IP address)

2.3 Information from Google APIs

When you choose to sign in using your Google account, we may receive your name and email address directly from Google's API to streamline the authentication process.

Sensitive Personal Information: We do not collect sensitive personal information (such as health data, financial information, racial or ethnic origin, political opinions, or religious beliefs).

3. How We Use Your Information

We use the collected information strictly for the following purposes:

• To deliver, operate, and facilitate the delivery of our atmospheric simulation services.
• To respond to user inquiries and provide technical support.
• To identify usage trends and analyze platform performance.
• To evaluate and improve our services, products, marketing strategies, and user experience.
• To determine the effectiveness of promotional campaigns.
• To deliver targeted advertising and content relevant to your interests based on your usage patterns.
• To send you marketing and promotional communications regarding our services and updates.

4. Use of Artificial Intelligence (AI)

As part of our advanced computational services, we may utilize AI-based technologies in addition to Numerical Weather Prediction (NWP) to enhance weather prediction and atmospheric modeling. These AI systems may process input data and NWP results to enhance simulation outputs. We ensure that AI processing is conducted in a secure environment and adheres to our strict data protection standards.

5. Cookies and Tracking Technologies

5.1 Overview

Our website uses cookies and similar tracking technologies to collect and track information to improve and monitor our services. Cookies are small data files stored on your device that help us understand how you use our site.

5.2 Google Analytics Features

We use Google Analytics to monitor traffic and user behavior. Specifically, we may have enabled Google Analytics Demographics and Interests Reporting. This feature collects anonymous information about your age range, gender, and interests based on your interaction with our site and Google's data. This information helps us tailor our content and services to better meet user needs.

5.3 Managing Cookies

You can choose to accept or decline cookies through your browser settings. Most browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. Please note that if you disable cookies, some features of our platform may not function correctly.

6. Sharing and Disclosure of Your Information

We do not sell, rent, or disclose your personal information to third parties for commercial purposes.

• Third-Party Advertisers: We do not engage with third-party advertising networks.
• Affiliates and Partners: We do not disclose any collected information to business affiliates or external business partners.
• Service Providers: The only exceptions are our trusted service providers who assist us in operating our website, conducting our business, or serving our users (e.g., Google Analytics for usage tracking and AWS for service hosting and PayPal for online payment processing). These third parties are contractually obligated to use your information solely for the purpose of providing these specific services and are prohibited from using your data for any other purpose.
• Legal Requirements: We may disclose information if required to do so by law or in response to valid requests by public authorities.

7. Data Retention

We retain your personal information only for as long as necessary to fulfill the purposes outlined in this policy, unless a longer retention period is required or permitted by law. We do not disclose specific retention periods. Your data will be securely deleted or anonymized once it is no longer needed for the purposes for which it was collected.

8. Data Security

We implement generally accepted industry standards and security measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. While we strive to use commercially acceptable means to protect your data, please be aware that no electronic transmission or storage method is 100% secure, and we cannot guarantee absolute security.

9. Your Rights and Choices

Depending on your jurisdiction, you may have certain rights regarding your personal information, including the right to:

• Access, View, or Edit the personal information we hold about you.
• Request Deletion of your personal information.
• Restrict or Object to the processing of your data.
• Withdraw Consent where processing is based on consent.

To exercise any of these rights, please email us at privacy@clustertech.com. We will respond to your request within a reasonable timeframe as required by applicable law. We do not currently have a designated Data Protection Officer; all privacy-related inquiries and requests should be directed to the email address above.

9.1 Marketing Communications

You may opt out of receiving marketing and promotional communications from us at any time by clicking the "unsubscribe" link in our emails or by emailing enquiry@cpas.earth. Please note that even if you opt out of marketing emails, we may still send you service-related communications (e.g., account updates, security alerts, or support responses).

10. International Data Transfers

Your information may be transferred to, and maintained on, computers located outside of your country of residence. We take appropriate steps to ensure that your data is treated securely and in accordance with this privacy policy. Clustertech Limited is headquartered in Hong Kong, and data may be processed globally to provide our cloud-based services.

11. Payment Information

Online payments are processed securely via PayPal. We do not store your credit card or financial account details on our servers. Payment transactions are handled in accordance with PayPal's privacy and security policies.

12. Updates to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of any material changes by posting the new policy on this page and updating the "Last Updated" date. We encourage you to review this policy periodically.

13. Contact Information

If you have any questions, comments, or concerns about this Privacy Policy or our data practices, please contact us at:

Email (Privacy Inquiries): privacy@clustertech.com
Email (Marketing/Unsubscribe): enquiry@cpas.earth

Company Name: ClusterTech Limited
Address: Units 211-213, Lakeside 1, No.8 Science Park West Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong