| Google Nest Thermostat E | ||
|---|---|---|
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Security Grade
Calculator v
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Nest Thermostat E
Category: Smart thermostat / Wi-Fi enabled thermostat • Model / Gen: E Thermostat E Release Date: 2017-08-16 • Status: In sale Classification Date: • Official Website | |
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | |
| Known vulnerabilities | Rare | 🔗 Proof | |
| Prior attacks | Rare | 🔗 Proof | |
| Updatability | Very common | 🔗 Proof | |
| Category Score | Score: 2 / 3 | ||
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | — | Nest/Google account authentication is used to integrate with Google ecosystem and other smart home services |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | Sensitive user data and telemetry stored securely; older reports mention firmware security signing |
| Category Score | Score: 1 / 3 | ||
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | |
| Authentication | Secure | 🔗 Proof | |
| Brute-force protection | Exist | 🔗 Proof | |
| Event logging | Access event logged | 🔗 Proof | |
| Passwords | Require change after setup with complexity requirements | 🔗 Proof | |
| Category Score | Score: 1 / 3 | ||
| Property | Details |
|---|---|
| Operating System & App | Embedded firmware (Companion App: Nest App) |
| Hardware (CPU / GPU) | CPU: none • GPU: none |
| Memory & Storage | Memory: 256 MB RAM • Storage: none |
| Power, Battery & Charging | Battery: Built-in rechargeable lithium-ion battery • Power: 20-30 VAC input from HVAC wiring • Charging: Charged via HVAC power |
| Display & Camera | Display: 24-bit color LCD, 320×320 resolution, diameter ~1.76 in (4.5 cm) • Camera: none |
| Sound & Connectivity | Sound: none • Connectivity: Wi-Fi 802.11 a/b/g/n (2.4GHz / 5GHz), 802.15.4 (2.4GHz), Bluetooth Low Energy |
| Physical (Dimensions & Mass) | Dimensions: Diameter ≈ 3.19 in (≈ 8.1 cm), Height ≈ 1.14 in (≈ 2.89 cm) • Mass: 139 g |
