Withings Steel HR 2

Withings Steel HR 2
Security Grade A Calculator v1	Withings Steel HR 2 Brand: Withings (Parent: Nokia) Category: Hybrid Smartwatch • Model / Gen: 2nd Generation Steel HR 2 Release Date: 2025-06-01 • Status: Classification Date: 2025-10-11 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	—	No significant tampering risks
Known vulnerabilities	Rare	—	Known vulnerabilities
Prior attacks	None	—	No known attacks
Updatability	Very common	—	Frequent updates
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	—	Supports Withings app login
Communications	Encrypted with up-to-date encryption	—	Communication security
Storage	Encrypted with up-to-date encryption	—	Secure data storage
Category Score	Score: 1 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	—	Comprehensive management system
Authentication	Secure	—	Secure multi-factor authentication
Brute-force protection	Exist	—	Protection against brute-force attacks
Event logging	Access event logged	—	Event logging system
Passwords	Require change after setup with complexity requirements	—	Strong password enforcement
Category Score	Score: 1 / 3

Technical Specifications

Property	Details
Operating System & App	Withings OS (Companion App: Health Mate)
Hardware (CPU / GPU)	CPU: Nordic Semiconductor nRF52840 • GPU:
Memory & Storage	Memory: 256MB RAM • Storage: 4GB
Power, Battery & Charging	Battery: 25-day battery life • Power: 2W • Charging: Wireless Charging
Display & Camera	Display: 1.1 inches, 320 x 320 pixels • Camera:
Sound & Connectivity	Sound: • Connectivity: Bluetooth 4.0
Physical (Dimensions & Mass)	Dimensions: 40mm • Mass: 30g