Google Nest Learning Thermostat 3rd Gen (T3021US)

Google Nest Learning Thermostat 3rd Gen (T3021US)
Security Grade A- Calculator v	Google Nest Learning Thermostat 3rd Gen (T3021US) Brand: Google (Parent: Alphabet) Category: Smart Thermostat • Model / Gen: Release Date: 2015-09-01 • Status: Classification Date: • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	Secure physical design.
Known vulnerabilities	Rare	🔗 Proof	Very few CVEs.
Prior attacks	Rare	🔗 Proof	No major targeted attacks.
Updatability	Very common	🔗 Proof	Google pushes automatic OTA updates.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	Google account OAuth.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Uses TLS for cloud comms.
Storage	Encrypted with up-to-date encryption	🔗 Proof	Encrypted at rest.
Category Score	Score: 1 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Requires full Google account.
Authentication	Secure	🔗 Proof	Supports 2FA via Google account.
Brute-force protection	Exist	🔗 Proof	Google account lockouts.
Event logging	Partial logging	🔗 Proof	App history logged.
Passwords	Require change after setup with complexity requirements	🔗 Proof	Google enforces strong passwords.
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: