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Social Media
Mastodon
Decentralized, open-source social network
88
Overall Score
LOW RISK
Free
Pricing
Data Collection
Minimal (Server-Dependent)
Decentralized
Yes (Federated)
Open Source
Fully Open
Ads
None
Detailed Score Breakdown
Data Collection Practices
Weight: 30%92
Minimal data collection, varies by server
Security Measures
Weight: 25%85
Strong security with server-dependent implementation
User Control & Rights
Weight: 20%90
Excellent user control and data portability
Transparency & Accountability
Weight: 15%88
Transparent operation with open-source code
Data Usage & Retention
Weight: 10%85
No advertising or data monetization
Risk Assessment
| Category | Risk Level | Description |
|---|---|---|
| Data Collection | LOW | Minimal collection, no centralized tracking |
| Server Trust | MEDIUM | Privacy depends on instance administrator |
| Public Posts | MEDIUM | Public posts are permanently federated |
| Account Security | LOW | 2FA and strong security available |
| Data Breaches | MEDIUM | Security varies by server infrastructure |
| Surveillance | LOW | Decentralized structure resists mass surveillance |
Privacy Considerations
Decentralized Architecture
No single point of control or data collection
Open Source
Code is fully auditable and transparent
No Advertising
No data monetization or tracking
Server Selection
Privacy depends on choosing trustworthy instance
Public Federation
Public posts spread across federated network
Variable Security
Security quality depends on server admin
Privacy setup checklist
Choose Privacy-Focused Instance
HighSelect a server with strong privacy policies and trustworthy admins
Enable Two-Factor Authentication
HighProtect your account with 2FA
Review Privacy Settings
MediumConfigure post visibility and follower approval settings
Understand Federation
MediumLearn how public posts federate across instances
Regular Backups
LowExport your data periodically