Fitbit Charge 5 (FB421BKY)

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Fitbit Charge 5 (FB421BKY)
Security Grade
   
     A-
   
Calculator v
Fitbit Charge 5 (FB421BKY)
   Brand: Fitbit 
   Category: Fitness Tracker • Model / Gen:  
   Release Date: 2021-09-01 • Status: 
   Classification Date:  • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Rare πŸ”— Proof Sealed device.
Known vulnerabilities Rare πŸ”— Proof Secure posture
Prior attacks Rare πŸ”— Proof No major attacks.
Updatability Very common πŸ”— Proof OTA updates.
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems Full πŸ”— Proof OAuth.
Communications Encrypted with up-to-date encryption πŸ”— Proof BLE encrypted.
Storage Encrypted with up-to-date encryption πŸ”— Proof Encrypted.
Category Score Score: 1 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Full πŸ”— Proof Account required.
Authentication Secure πŸ”— Proof 2FA available.
Brute-force protection Exist πŸ”— Proof Google lockouts.
Event logging Partial logging πŸ”— Proof App logs.
Passwords Require change after setup with complexity requirements πŸ”— Proof Strong rules.
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App (Companion App: )
Hardware (CPU / GPU) CPU: • GPU:
Memory & Storage Memory: • Storage:
Power, Battery & Charging Battery: • Power: • Charging:
Display & Camera Display: • Camera:
Sound & Connectivity Sound: • Connectivity:
Physical (Dimensions & Mass) Dimensions: • Mass: