Data Processing Agreement (DPA)
Last updated: January 1, 2025
This Data Processing Agreement (DPA) governs the terms of personal data processing that DataNostro processes on behalf of the Client as part of providing the server-side tracking service.
1. Definitions
- Controller: Client using the DataNostro service
- Processor: Jan Malatinský, IČO: 19152361
- Personal data: data passing through the Client's sGTM container
- Data subject: visitor to the Client's website
2. Subject and purpose of processing
The Processor processes personal data solely for the purpose of providing the server-side Google Tag Manager service, specifically:
- Receiving and forwarding tracking events
- Server-side conversion processing for advertising platforms
- Data transformation and enrichment according to GTM container configuration
- Temporary data storage for processing purposes
3. Categories of personal data
Depending on the Client's GTM container configuration, the following may be processed:
- IP addresses (masked automatically)
- Cookie identifiers (client_id, session_id)
- User-Agent and device information
- Email addresses (hashed for server-side matching)
- Transaction data (if the client configures e-commerce tracking)
4. Processor obligations
- Process personal data only based on the Controller's instructions
- Ensure that persons authorized to process data are bound by confidentiality
- Implement appropriate technical and organizational measures to secure data
- Not engage another processor without the Controller's prior consent
- Assist the Controller in fulfilling obligations towards data subjects
- Delete or return all personal data after processing ends
- Allow audits and inspections by the Controller
5. Sub-processors
The Processor uses the following sub-processors:
| Name | Purpose | Location |
|---|---|---|
| Hetzner Online GmbH | sGTM container hosting | EU (Germany) |
| Google LLC | GTM Server Container runtime | EU/US (SCC) |
The Controller will be notified at least 30 days in advance of engaging a new sub-processor.
6. Security measures
The Processor implements at least the following measures:
- Data encryption in transit (TLS 1.2+)
- Disk encryption on servers
- Automatic IP anonymization
- Access control (SSH keys, MFA)
- Regular security patches
- Data access logging
- Container isolation between clients (Docker)
7. Security breach notification
In the event of a personal data security breach, the Processor will:
- Notify the Controller without undue delay, no later than within 48 hours
- Provide all information necessary to fulfill the notification obligation under Art. 33 GDPR
- Take immediate measures to minimize the impact
8. Processing duration and deletion
- Tracking data is retained for a maximum of 30 days
- Operational logs: maximum 90 days
- After service termination, all data is deleted within 30 days
- Upon the Controller's request, we will delete data immediately
9. Contact
For DPA-related matters: [email protected]