Privacy Policy
Last updated: March 22, 2026
The purpose of this Privacy Policy is to inform you, in accordance with the General Data Protection Regulation (GDPR — Regulation EU 2016/679) and the French Data Protection Act (as amended), about how VAULT 369 LTD collects, uses, and protects your personal data when you use the website master-seller.fr.
1. Data controller
The data controller responsible for your personal data is:
- Company: VAULT 369 LTD
- Website: https://master-seller.fr
- Contact: contact@master-seller.fr
2. Data Protection Officer (DPO)
For any questions regarding the protection of your personal data, you may contact our Data Protection Officer (DPO) at: contact@master-seller.fr.
3. Data collected
3.1 Data collected via forms
When you fill out a form on our website (training registration, free guide download, webinar registration, etc.), we collect the following data:
- First name
- Email address
- Any other information you voluntarily choose to provide
3.2 Data collected automatically
When you browse the website master-seller.fr, we automatically collect certain browsing data via Google Analytics:
- IP address (anonymized)
- Browser type and operating system
- Pages visited and visit duration
- Traffic source (referrer)
- Behavioral data (clicks, navigation path)
3.3 Data collected during a purchase
If you make a purchase on our website, payment data (credit card number, etc.) is processed directly and exclusively by our payment provider Stripe Inc. We never have access to your complete banking data.
4. Purposes of processing and legal bases
- Sending training emails and commercial communications — Legal basis: consent (Article 6(1)(a) of the GDPR). You may withdraw your consent at any time via the unsubscribe link included in each email.
- Audience analysis and service improvement (Google Analytics) — Legal basis: consent (Article 6(1)(a) of the GDPR).
- Performance of a sales contract (order management, access to training) — Legal basis: performance of a contract (Article 6(1)(b) of the GDPR).
- Compliance with legal obligations (retention of invoices, etc.) — Legal basis: legal obligation (Article 6(1)(c) of the GDPR).
5. Data retention period
- Form data (email, first name): 3 years from your last contact or unsubscription.
- Customer data (purchasers): 5 years from the last transaction, in accordance with accounting and tax obligations.
- Browsing data (Google Analytics): 14 months (Google Analytics default setting).
- Payment data: retained by Stripe in accordance with their own privacy policy.
6. Your rights
In accordance with the GDPR and the French Data Protection Act, you have the following rights regarding your personal data:
- Right of access: obtain a copy of the data we hold about you.
- Right to rectification: correct inaccurate or incomplete data.
- Right to erasure ("right to be forgotten"): request the deletion of your data, subject to our legal obligations.
- Right to data portability: receive your data in a structured, machine-readable format.
- Right to object: object to the processing of your data for direct marketing purposes.
- Right to restriction of processing: request the temporary suspension of the processing of your data.
- Right to withdraw consent at any time, without affecting the lawfulness of processing carried out prior to such withdrawal.
To exercise any of these rights, please send your request by email to: contact@master-seller.fr. We will respond within a maximum of one month from receipt of your request.
7. Cookies
7.1 Google Analytics
We use Google Analytics (measurement ID: G-CQ9QTNBS0C), a web analytics service provided by Google LLC. Google Analytics uses analytics cookies to help us understand how visitors interact with our website.
The data collected by Google Analytics is anonymized before being transmitted to Google's servers. This data is not used to personally identify you.
7.2 Disabling Google Analytics cookies
You may disable Google Analytics cookies at any time by installing the browser opt-out add-on available at: https://tools.google.com/dlpage/gaoptout. You may also manage your preferences directly from your browser (see your browser's "Help" section).
7.3 Strictly necessary cookies
Our website may also use strictly necessary cookies for the proper functioning of the site (session management, security). These cookies do not require your consent.
8. Data transfers outside the European Union
Some of our service providers are established outside the European Union. These transfers are governed by standard contractual clauses approved by the European Commission, in accordance with Article 46 of the GDPR:
- Vercel Inc. (website hosting) — United States
- Google LLC (Google Analytics) — United States
- Stripe Inc. (online payment) — United States
These transfers provide an adequate level of protection for your personal data.
9. Data security
VAULT 369 LTD implements all appropriate technical and organizational measures to protect your personal data against unauthorized access, modification, disclosure, or destruction. The website uses the HTTPS protocol to secure data exchanges. Payments are fully secured by Stripe, which is PCI-DSS Level 1 certified.
10. Complaints to the CNIL
If you believe that your rights are not being respected, you have the right to lodge a complaint with the competent supervisory authority. In France, this is the Commission Nationale de l'Informatique et des Libertés (CNIL):
- Website: https://www.cnil.fr
- Address: 3 Place de Fontenoy, TSA 80715, 75334 Paris Cedex 07
- Phone: 01 53 73 22 22
11. Changes to this Privacy Policy
VAULT 369 LTD reserves the right to modify this Privacy Policy at any time in order to comply with legislative or regulatory changes, or following changes in our practices. The date of the last update is indicated at the top of this page. We encourage you to review this page regularly.