Amazon Echo (4th Gen)
From Wiki-IoT
| Amazon Echo (4th Gen) | ||
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Security Grade
Calculator v1
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Amazon Echo (4th Gen)
Category: Smart speaker • Model / Gen: 4 Echo (4th Gen) Release Date: 2020-10-22 • Status: In sale Classification Date: 2025-10-20 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | — | |
| Known vulnerabilities | None | — | |
| Prior attacks | None | — | |
| 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 | — | use tls |
| Storage | Encrypted with up-to-date encryption | — | |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | — | |
| Authentication | Secure | — | |
| Brute-force protection | Exist | — | |
| Event logging | Access event logged | — | |
| Passwords | Require change after setup with complexity requirements | — | |
| Category Score | Score: 1 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | Custom Amazon firmware (Alexa OS) on Echo hardware (Companion App: Alexa app (iOS/Android)) |
| Hardware (CPU / GPU) | CPU: AZ1 Neural Edge SoC (quad-core ARM-based CPU; on-device AI processing) • GPU: Not publicly disclosed; no discrete GPU documented |
| Memory & Storage | Memory: ~1.5 GB RAM (approximate; not officially published) • Storage: ~8 GB flash storage (typical for Echo devices) |
| Power, Battery & Charging | Battery: None (AC-powered device) • Power: External AC adapter (typical low-wattage power draw; exact specs not widely published) • Charging: N/A (not a rechargeable battery device) |
| Display & Camera | Display: None • Camera: None |
| Sound & Connectivity | Sound: 3.0" woofer + two 0.8" tweeters (stereo-like arrangement) • Connectivity: Wi‑Fi (2.4/5 GHz, 802.11 a/b/g/n/ac), Bluetooth, Zigbee built-in hub |
| Physical (Dimensions & Mass) | Dimensions: Approx 5.7 inches (diameter) – approximate due to official dimension specs not always repeated in marketing pages • Mass: Approx 1.75 lb (0.79 kg) – approximate |
