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GDPR
GDPR Compliance: A Comprehensive Implementation Guide

Dariusz Zalewski
Founder & CEO
December 20, 202516 min read

Key Takeaways
- 1 GDPR applies if you process EU residents' data-regardless of your location
- 2 Fines can reach €20M or 4% of global revenue-whichever is higher
- 3 Data subject rights must be handled within 30 days
- 4 Privacy by design is mandatory, not optional
The 7 GDPR Principles
1. Lawfulness, Fairness, Transparency
Process data legally, fairly, and transparently
2. Purpose Limitation
Collect for specified, explicit, legitimate purposes
3. Data Minimization
Collect only what's necessary
4. Accuracy
Keep data accurate and up to date
5. Storage Limitation
Don't keep data longer than necessary
6. Integrity & Confidentiality
Ensure appropriate security
7. Accountability
Demonstrate compliance with all principles
Data Subject Rights
| Right | Description | Response Time |
|---|---|---|
| Access | Know what data you hold about them | 30 days |
| Rectification | Correct inaccurate data | 30 days |
| Erasure | "Right to be forgotten" | 30 days |
| Portability | Receive data in machine-readable format | 30 days |
| Objection | Object to certain processing | Immediate |
| Restriction | Limit how data is processed | 30 days |
Implementation Checklist
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