Cloud Storage Services
Privacy evaluation of cloud storage providers. Analyzed by Data Champion® for encryption, data access, and privacy policies.
Help improve our evaluations
Observed good or bad data practices in cloud storage services? Your insights help the community make informed decisions.
Report Data Practices🏆 Data Champion® Awards
Gold
93
Tresorit
Tresorit AG
$10.42 - $24/moLOW RISK
Silver
90
Sync.com
Sync.com Inc
Free - $8/moLOW RISK
Bronze
89
Proton Drive
Proton AG
Free - €9.99/moLOW RISK
Category Risk Assessment
| Risk Category | Level | Description |
|---|---|---|
| File Content Access | HIGH | Some providers can access unencrypted files |
| Data Breaches | MEDIUM | Centralized storage creates attractive targets |
| Government Requests | MEDIUM | Varies by jurisdiction and encryption |
| Third-Party Integrations | MEDIUM | App permissions may expose data |
| Account Takeover | MEDIUM | Weak passwords or phishing risks |
| Data Mining | HIGH | Some providers scan files for ads or AI training |
Product Comparison
| Product | Overall | Data Collection | Security | User Control | Transparency | Data Usage | Price |
|---|---|---|---|---|---|---|---|
Tresorit Tresorit AG | 93 | 95 | 98 | 90 | 88 | 94 | $10.42 - $24/mo |
Sync.com Sync.com Inc | 90 | 92 | 96 | 88 | 85 | 90 | Free - $8/mo |
Proton Drive Proton AG | 89 | 94 | 95 | 86 | 88 | 92 | Free - €9.99/mo |
 Dropbox Dropbox Inc | 68 | 58 | 82 | 70 | 72 | 62 | Free - $11.99/mo |
 OneDrive Microsoft Corporation | 65 | 50 | 83 | 65 | 70 | 58 | Free - $6.99/mo |
 Google Drive Google LLC | 62 | 45 | 85 | 62 | 68 | 52 | Free - $9.99/mo |
Scoring Criteria
Data Collection (30%)
Minimal data gathering practices
Security (25%)
Encryption and protection measures
User Control (20%)
Privacy settings and data rights
Transparency (15%)
Clear policies and accountability
Data Usage (10%)
How data is used and shared