Privacy policy
Privacy policy for Cybermasterclass.eu
Last updated: 22 July 2026
1. Data controller
The controller of the data collected on this site is DEXTA CONSEIL, SIREN 101 388 254 (SIRET 101 388 254 00019), 200 rue de la Croix Nivert, 75015 Paris, France. NAF code 70.22Z, intra-community VAT number FR31101388254.
For any question about your personal data: hello@dexta-conseil.eu
2. Data we collect
2.1 Subscribing to our publications
When you subscribe to our publications, we collect:
- your email address, needed to send you the content
- your IP address and the date of subscription, kept as proof of your consent
- the language and the page you subscribed from, so that we can send you relevant content
The legal basis for this processing is your consent, obtained through an explicit, non pre-ticked checkbox.
2.2 Booking a service
Bookings are handled through Calendly. The data you enter when booking (name, email address, company, availability) is processed by that provider under its own privacy policy.
2.3 Payment
Payments are processed by Stripe. We never have access to your bank card details, which do not pass through our servers and are not stored by us.
2.4 Browsing
Technical data may be recorded in our hosting provider’s logs for security and service reliability purposes. These logs are kept for a limited period.
3. Purposes
- Sending you our publications and the dates of our upcoming sessions
- Managing bookings and delivering the services
- Keeping the site secure and preventing abuse, in particular automated sign-ups
- Meeting our legal and accounting obligations
4. Retention periods
| Data | Period |
|---|---|
| Subscription email address | 3 years after the last interaction |
| IP address and date (proof of consent) | 3 years after the last interaction |
| Billing data | 10 years (accounting obligation) |
| Hosting provider technical logs | Limited period defined by the provider |
5. Recipients
Your data is never sold, rented or transferred to third parties for commercial purposes. It may be processed by the providers strictly necessary to operate the service:
- Infomaniak (Switzerland): website hosting
- Stripe: payment processing
- Calendly: booking management
Some of these providers may be located outside the European Union. In that case, transfers are governed by the mechanisms provided for by the GDPR, in particular standard contractual clauses.
6. Your rights
Under the General Data Protection Regulation, you have the following rights:
- Right of access: obtain a copy of the data concerning you
- Right to rectification: correct inaccurate data
- Right to erasure: request deletion of your data
- Right to object and to withdraw consent at any time
- Right to restriction of processing
- Right to data portability
To exercise these rights, write to hello@dexta-conseil.eu. We respond within one month at the latest.
You may also lodge a complaint with the CNIL, the French supervisory authority: www.cnil.fr
7. Unsubscribing
Every message we send includes an unsubscribe link. You may also write to us directly: removal is carried out without delay and without any need to justify your request.
8. Security
The site is protected by a TLS certificate, an application firewall and anti-bot measures. Subscription data is stored in a dedicated database accessible only to authorised persons.
9. Cookies
The site does not use advertising cookies or trackers for commercial profiling. Only cookies strictly necessary for the operation and security of the site may be placed, and these do not require your prior consent.
10. Changes
This policy may be updated. The date of the latest update appears at the top of this page. We encourage you to review it regularly.