| Google Nest Smart Thermostat (G4CVZ) | ||
|---|---|---|
|
Security Grade
Calculator v
|
Google Nest Smart Thermostat
Brand: Google Nest (Parent: Alphabet Inc) Category: Smart Thermostat • Model / Gen: 1 G4CVZ Release Date: 2020-07-01 • Status: In sale Classification Date: • Official Website | |
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | Physical device tampering is extremely rare. |
| Known vulnerabilities | Rare | 🔗 Proof | Only minor low-risk disclosure vulnerabilities. |
| Prior attacks | None | 🔗 Proof | Almost no recorded public attack incidents. |
| Updatability | Very common | 🔗 Proof | Long-term official security patch updates guaranteed. |
| Category Score | Score: 2 / 3 | ||
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | Full secure authentication with Google cloud. |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | Modern TLS encryption protects all transmission data. |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | Local and cloud data fully encrypted with secure algorithms. |
| Category Score | Score: 1 / 3 | ||
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | Complete professional user permission management. |
| Authentication | Secure | 🔗 Proof | Highly secure modern authentication system. |
| Brute-force protection | Exist | 🔗 Proof | Advanced protection against guessing attacks. |
| Event logging | Access event logged | 🔗 Proof | Detailed full security event logging system. |
| Passwords | Require change after setup with complexity requirements | 🔗 Proof | Strong complex password policy enforced. |
| Category Score | Score: 1 / 3 | ||
| Property | Details |
|---|---|
| Operating System & App | Nest OS (Companion App: Google Home) |
| Hardware (CPU / GPU) | CPU: ARM Cortex-A35 • GPU: None |
| Memory & Storage | Memory: 512MB • Storage: 4GB eMMC |
| Power, Battery & Charging | Battery: Internal rechargeable backup battery • Power: HVAC 24V AC • Charging: Charged by HVAC circuit |
| Display & Camera | Display: Colour LCD touchscreen • Camera: None |
| Sound & Connectivity | Sound: Buzzer • Connectivity: Wi‑Fi, Bluetooth |
| Physical (Dimensions & Mass) | Dimensions: 85 × 85 mm • Mass: 180g |
IDRS Grade: B. Secure boot, TLS encrypted cloud traffic, regular vendor patches. Only low severity info-disclosure bugs, no critical remote RCE.
