Nest Protect(H71-3)

From Wiki-IoT



Nest Protect(H71-3)
Security Grade
   
     A-
   
Calculator v1
Nest Protect Smoke and CO Alarm⁠
   Brand: Google (Parent: (Leave blank))
   Category: Smart Smoke Detector • Model / Gen: 2nd Gen⁠ H71-3⁠
   Release Date: 2015-07-15 • Status: In sale
   Classification Date: 2026-10-27 • [⁠[1](https://store.google.com/product/nest_protect_2nd_gen)⁠ Official Website]

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Rare —
Known vulnerabilities Rare —
Prior attacks Rare —
Updatability Very common —
Category Score Score: 2 / 3

2. System Security

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

3. User Authentication

Criterion Value Proof Comment
Account management Full —
Authentication Basic —
Brute-force protection Exist —
Event logging Access event logged —
Passwords Require change after setup with complexity requirements —
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App Embedded RTOS⁠ (Companion App: Google Home⁠)
Hardware (CPU / GPU) CPU: ARM-based microcontroller⁠ • GPU: (Leave blank)
Memory & Storage Memory: Embedded RAM⁠ • Storage: Flash memory⁠
Power, Battery & Charging Battery: ⁠6 AA long-life batteries (or 120V AC wired version)⁠ • Power: Battery or AC powered⁠ • Charging: None (Replaceable batteries)⁠
Display & Camera Display: None (RGB light ring)⁠ • Camera: None
Sound & Connectivity Sound: Built-in 85dB horn, Speaker for spoken alerts⁠ • Connectivity: Wi-Fi 802.11b/g/n (2.4GHz), Bluetooth Low Energy (BLE), 802.15.4⁠
Physical (Dimensions & Mass) Dimensions: 134 x 134 x 38.5 mm⁠ • Mass: 379 g⁠